diff --git a/Cargo.lock b/Cargo.lock
index 13fbb69ae..c9291fafa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -134,7 +134,8 @@ dependencies = [
  "same-file 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempdir 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "walkdir 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "walkdir 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -249,6 +250,7 @@ dependencies = [
  "regex 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "same-file 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "termcolor 0.3.3",
+ "winapi 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -341,10 +343,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "walkdir"
-version = "2.1.1"
+version = "2.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "same-file 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -412,7 +415,7 @@ dependencies = [
 "checksum utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "662fab6525a98beff2921d7f61a39e7d59e0b425ebc7d0d9e66d316e55124122"
 "checksum vec_map 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "887b5b631c2ad01628bbbaa7dd4c869f80d3186688f8d0b6f58774fbe324988c"
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
-"checksum walkdir 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bb9e0499dfaf907659414fa6895e019db6694aa5ecb36e1a8003b6ba472d5705"
+"checksum walkdir 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6e44abc83f36bfebb7ee3e140d324dfb4a75d17047d9d16c49143aafeb122cff"
 "checksum winapi 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "890b38836c01d72fdb636d15c9cfc52ec7fd783b330abc93cd1686f4308dfccc"
 "checksum winapi-i686-pc-windows-gnu 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ec6667f60c23eca65c561e63a13d81b44234c2e38a6b6c959025ee907ec614cc"
 "checksum winapi-x86_64-pc-windows-gnu 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "98f12c52b2630cd05d2c3ffd8e008f7f48252c042b4871c72aed9dc733b96668"
diff --git a/Cargo.toml b/Cargo.toml
index 62267e262..e6f73ef4b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -51,6 +51,10 @@ same-file = "1"
 termcolor = { version = "0.3.3", path = "termcolor" }
 globset = { version = "0.2.1", path = "globset" }
 
+[target.'cfg(windows)'.dependencies.winapi]
+version = "0.3"
+features = ["std", "winnt"]
+
 [build-dependencies]
 clap = "2.26"
 lazy_static = "1"
diff --git a/ignore/Cargo.toml b/ignore/Cargo.toml
index b2c86778d..89d8672c0 100644
--- a/ignore/Cargo.toml
+++ b/ignore/Cargo.toml
@@ -28,6 +28,10 @@ same-file = "1"
 thread_local = "0.3.2"
 walkdir = "2"
 
+[target.'cfg(windows)'.dependencies.winapi]
+version = "0.3"
+features = ["std", "winnt"]
+
 [dev-dependencies]
 tempdir = "0.3.5"
 
diff --git a/ignore/src/lib.rs b/ignore/src/lib.rs
index 3fbb8974d..a578487cb 100644
--- a/ignore/src/lib.rs
+++ b/ignore/src/lib.rs
@@ -59,6 +59,8 @@ extern crate same_file;
 extern crate tempdir;
 extern crate thread_local;
 extern crate walkdir;
+#[cfg(windows)]
+extern crate winapi;
 
 use std::error;
 use std::fmt;
diff --git a/ignore/src/walk.rs b/ignore/src/walk.rs
index cde4f7505..0ecd28bc8 100644
--- a/ignore/src/walk.rs
+++ b/ignore/src/walk.rs
@@ -89,6 +89,11 @@ impl DirEntry {
         self.err.as_ref()
     }
 
+    /// Returns true if and only if this entry points to a directory.
+    fn is_dir(&self) -> bool {
+        self.dent.is_dir()
+    }
+
     fn new_stdin() -> DirEntry {
         DirEntry {
             dent: DirEntryInner::Stdin,
@@ -208,6 +213,24 @@ impl DirEntryInner {
             Raw(ref x) => Some(x.ino()),
         }
     }
+
+    /// Returns true if and only if this entry points to a directory.
+    ///
+    /// This works around a bug in Rust's standard library:
+    /// https://github.com/rust-lang/rust/issues/46484
+    #[cfg(windows)]
+    fn is_dir(&self) -> bool {
+        self.metadata().map(|md| metadata_is_dir(&md)).unwrap_or(false)
+    }
+
+    /// Returns true if and only if this entry points to a directory.
+    ///
+    /// This works around a bug in Rust's standard library:
+    /// https://github.com/rust-lang/rust/issues/46484
+    #[cfg(not(windows))]
+    fn is_dir(&self) -> bool {
+        self.file_type().map(|ft| ft.is_dir()).unwrap_or(false)
+    }
 }
 
 /// DirEntryRaw is essentially copied from the walkdir crate so that we can
@@ -456,7 +479,7 @@ impl WalkBuilder {
                 (p.to_path_buf(), None)
             } else {
                 let mut wd = WalkDir::new(p);
-                wd = wd.follow_links(follow_links || p.is_file());
+                wd = wd.follow_links(follow_links || path_is_file(p));
                 if let Some(max_depth) = max_depth {
                     wd = wd.max_depth(max_depth);
                 }
@@ -728,7 +751,7 @@ impl Walk {
             return false;
         }
 
-        let is_dir = ent.file_type().is_dir();
+        let is_dir = walkdir_entry_is_dir(ent);
         let max_size = self.max_filesize;
         let should_skip_path = skip_path(&self.ig, ent.path(), is_dir);
         let should_skip_filesize = if !is_dir && max_size.is_some() {
@@ -757,7 +780,7 @@ impl Iterator for Walk {
                         }
                         Some((path, Some(it))) => {
                             self.it = Some(it);
-                            if self.parents && path.is_dir() {
+                            if self.parents && path_is_dir(&path) {
                                 let (ig, err) = self.ig_root.add_parents(path);
                                 self.ig = ig;
                                 if let Some(err) = err {
@@ -847,7 +870,7 @@ impl Iterator for WalkEventIter {
             None => None,
             Some(Err(err)) => Some(Err(err)),
             Some(Ok(dent)) => {
-                if dent.file_type().is_dir() {
+                if walkdir_entry_is_dir(&dent) {
                     self.depth += 1;
                     Some(Ok(WalkEvent::Dir(dent)))
                 } else {
@@ -1000,7 +1023,7 @@ struct Work {
 impl Work {
     /// Returns true if and only if this work item is a directory.
     fn is_dir(&self) -> bool {
-        self.dent.file_type().map_or(false, |t| t.is_dir())
+        self.dent.is_dir()
     }
 
     /// Adds ignore rules for parent directories.
@@ -1174,13 +1197,13 @@ impl Worker {
                     return (self.f)(Err(err));
                 }
             };
-            if dent.file_type().map_or(false, |ft| ft.is_dir()) {
+            if dent.is_dir() {
                 if let Err(err) = check_symlink_loop(ig, dent.path(), depth) {
                     return (self.f)(Err(err));
                 }
             }
         }
-        let is_dir = dent.file_type().map_or(false, |ft| ft.is_dir());
+        let is_dir = dent.is_dir();
         let max_size = self.max_filesize;
         let should_skip_path = skip_path(ig, dent.path(), is_dir);
         let should_skip_filesize = if !is_dir && max_size.is_some() {
@@ -1376,6 +1399,62 @@ fn skip_path(ig: &Ignore, path: &Path, is_dir: bool) -> bool {
     }
 }
 
+/// Returns true if and only if this path points to a directory.
+///
+/// This works around a bug in Rust's standard library:
+/// https://github.com/rust-lang/rust/issues/46484
+#[cfg(windows)]
+fn path_is_dir(path: &Path) -> bool {
+    fs::metadata(path).map(|md| metadata_is_dir(&md)).unwrap_or(false)
+}
+
+/// Returns true if and only if this entry points to a directory.
+#[cfg(not(windows))]
+fn path_is_dir(path: &Path) -> bool {
+    path.is_dir()
+}
+
+/// Returns true if and only if this path points to a file.
+///
+/// This works around a bug in Rust's standard library:
+/// https://github.com/rust-lang/rust/issues/46484
+#[cfg(windows)]
+fn path_is_file(path: &Path) -> bool {
+    !path_is_dir(path)
+}
+
+/// Returns true if and only if this entry points to a directory.
+#[cfg(not(windows))]
+fn path_is_file(path: &Path) -> bool {
+    path.is_file()
+}
+
+/// Returns true if and only if the given walkdir entry points to a directory.
+///
+/// This works around a bug in Rust's standard library:
+/// https://github.com/rust-lang/rust/issues/46484
+#[cfg(windows)]
+fn walkdir_entry_is_dir(dent: &walkdir::DirEntry) -> bool {
+    dent.metadata().map(|md| metadata_is_dir(&md)).unwrap_or(false)
+}
+
+/// Returns true if and only if the given walkdir entry points to a directory.
+#[cfg(not(windows))]
+fn walkdir_entry_is_dir(dent: &walkdir::DirEntry) -> bool {
+    dent.file_type().is_dir()
+}
+
+/// Returns true if and only if the given metadata points to a directory.
+///
+/// This works around a bug in Rust's standard library:
+/// https://github.com/rust-lang/rust/issues/46484
+#[cfg(windows)]
+fn metadata_is_dir(md: &fs::Metadata) -> bool {
+    use std::os::windows::fs::MetadataExt;
+    use winapi::um::winnt::FILE_ATTRIBUTE_DIRECTORY;
+    md.file_attributes() & FILE_ATTRIBUTE_DIRECTORY != 0
+}
+
 #[cfg(test)]
 mod tests {
     use std::fs::{self, File};
diff --git a/src/args.rs b/src/args.rs
index 030adf0f8..a0c1d7db1 100644
--- a/src/args.rs
+++ b/src/args.rs
@@ -209,7 +209,7 @@ impl Args {
     /// Returns true if there is exactly one file path given to search.
     pub fn is_one_path(&self) -> bool {
         self.paths.len() == 1
-        && (self.paths[0] == Path::new("-") || self.paths[0].is_file())
+        && (self.paths[0] == Path::new("-") || path_is_file(&self.paths[0]))
     }
 
     /// Create a worker whose configuration is taken from the
@@ -562,7 +562,7 @@ impl<'a> ArgMatches<'a> {
             self.is_present("with-filename")
             || self.is_present("vimgrep")
             || paths.len() > 1
-            || paths.get(0).map_or(false, |p| p.is_dir())
+            || paths.get(0).map_or(false, |p| path_is_dir(p))
         }
     }
 
@@ -609,7 +609,7 @@ impl<'a> ArgMatches<'a> {
         } else {
             // If we're only searching a few paths and all of them are
             // files, then memory maps are probably faster.
-            paths.len() <= 10 && paths.iter().all(|p| p.is_file())
+            paths.len() <= 10 && paths.iter().all(|p| path_is_file(p))
         })
     }
 
@@ -1036,3 +1036,44 @@ fn stdin_is_readable() -> bool {
     // always return true.
     true
 }
+
+/// Returns true if and only if this path points to a directory.
+///
+/// This works around a bug in Rust's standard library:
+/// https://github.com/rust-lang/rust/issues/46484
+#[cfg(windows)]
+fn path_is_dir(path: &Path) -> bool {
+    fs::metadata(path).map(|md| metadata_is_dir(&md)).unwrap_or(false)
+}
+
+/// Returns true if and only if this entry points to a directory.
+#[cfg(not(windows))]
+fn path_is_dir(path: &Path) -> bool {
+    path.is_dir()
+}
+
+/// Returns true if and only if this path points to a file.
+///
+/// This works around a bug in Rust's standard library:
+/// https://github.com/rust-lang/rust/issues/46484
+#[cfg(windows)]
+fn path_is_file(path: &Path) -> bool {
+    !path_is_dir(path)
+}
+
+/// Returns true if and only if this entry points to a directory.
+#[cfg(not(windows))]
+fn path_is_file(path: &Path) -> bool {
+    path.is_file()
+}
+
+/// Returns true if and only if the given metadata points to a directory.
+///
+/// This works around a bug in Rust's standard library:
+/// https://github.com/rust-lang/rust/issues/46484
+#[cfg(windows)]
+fn metadata_is_dir(md: &fs::Metadata) -> bool {
+    use std::os::windows::fs::MetadataExt;
+    use winapi::um::winnt::FILE_ATTRIBUTE_DIRECTORY;
+    md.file_attributes() & FILE_ATTRIBUTE_DIRECTORY != 0
+}
diff --git a/src/main.rs b/src/main.rs
index 7d39aa66e..fea89e441 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -18,6 +18,8 @@ extern crate num_cpus;
 extern crate regex;
 extern crate same_file;
 extern crate termcolor;
+#[cfg(windows)]
+extern crate winapi;
 
 use std::error::Error;
 use std::process;
@@ -267,15 +269,14 @@ fn get_or_log_dir_entry(
                     eprintln!("{}", err);
                 }
             }
-            let ft = match dent.file_type() {
-                None => return Some(dent), // entry is stdin
-                Some(ft) => ft,
-            };
+            if dent.file_type().is_none() {
+                return Some(dent); // entry is stdin
+            }
             // A depth of 0 means the user gave the path explicitly, so we
             // should always try to search it.
-            if dent.depth() == 0 && !ft.is_dir() {
+            if dent.depth() == 0 && !ignore_entry_is_dir(&dent) {
                 return Some(dent);
-            } else if !ft.is_file() {
+            } else if !ignore_entry_is_file(&dent) {
                 return None;
             }
             // If we are redirecting stdout to a file, then don't search that
@@ -288,6 +289,45 @@ fn get_or_log_dir_entry(
     }
 }
 
+/// Returns true if and only if the given `ignore::DirEntry` points to a
+/// directory.
+///
+/// This works around a bug in Rust's standard library:
+/// https://github.com/rust-lang/rust/issues/46484
+#[cfg(windows)]
+fn ignore_entry_is_dir(dent: &ignore::DirEntry) -> bool {
+    use std::os::windows::fs::MetadataExt;
+    use winapi::um::winnt::FILE_ATTRIBUTE_DIRECTORY;
+
+    dent.metadata().map(|md| {
+        md.file_attributes() & FILE_ATTRIBUTE_DIRECTORY != 0
+    }).unwrap_or(false)
+}
+
+/// Returns true if and only if the given `ignore::DirEntry` points to a
+/// directory.
+#[cfg(not(windows))]
+fn ignore_entry_is_dir(dent: &ignore::DirEntry) -> bool {
+    dent.file_type().map_or(false, |ft| ft.is_dir())
+}
+
+/// Returns true if and only if the given `ignore::DirEntry` points to a
+/// file.
+///
+/// This works around a bug in Rust's standard library:
+/// https://github.com/rust-lang/rust/issues/46484
+#[cfg(windows)]
+fn ignore_entry_is_file(dent: &ignore::DirEntry) -> bool {
+    !ignore_entry_is_dir(dent)
+}
+
+/// Returns true if and only if the given `ignore::DirEntry` points to a
+/// file.
+#[cfg(not(windows))]
+fn ignore_entry_is_file(dent: &ignore::DirEntry) -> bool {
+    dent.file_type().map_or(false, |ft| ft.is_file())
+}
+
 fn is_stdout_file(
     dent: &ignore::DirEntry,
     stdout_handle: Option<&same_file::Handle>,