diff --git a/insta/src/snapshot.rs b/insta/src/snapshot.rs
index eccbda4a..d0009eaa 100644
--- a/insta/src/snapshot.rs
+++ b/insta/src/snapshot.rs
@@ -527,9 +527,10 @@ impl SnapshotContents {
         let contents = &self.0;
         let mut out = String::new();
 
+        // We don't technically need to escape on newlines, but it reduces diffs
+        let is_escape = contents.contains(['\\', '"', '\n']);
         // Escape the string if needed, with `r#`, using with 1 more `#` than
         // the maximum number of existing contiguous `#`.
-        let is_escape = contents.contains(&['\n', '\\', '"'][..]);
         let delimiter = if is_escape {
             let max_contiguous_hash = contents
                 .split(|c| c != '#')
@@ -754,21 +755,23 @@ a
 b"[1..];
     assert_eq!(
         SnapshotContents(t.to_string()).to_inline(0),
-        "r#\"
+        r##"r#"
 a
 b
-\"#"
+"#"##
     );
 
-    let t = &"
-a
-b"[1..];
     assert_eq!(
-        SnapshotContents(t.to_string()).to_inline(4),
-        "r#\"
+        SnapshotContents(
+            "a
+b"
+            .to_string()
+        )
+        .to_inline(4),
+        r##"r#"
     a
     b
-    \"#"
+    "#"##
     );
 
     let t = &"
@@ -776,10 +779,10 @@ b"[1..];
     b"[1..];
     assert_eq!(
         SnapshotContents(t.to_string()).to_inline(0),
-        "r#\"
+        r##"r#"
     a
     b
-\"#"
+"#"##
     );
 
     let t = &"
@@ -788,11 +791,11 @@ a
 b"[1..];
     assert_eq!(
         SnapshotContents(t.to_string()).to_inline(4),
-        "r#\"
+        r##"r#"
     a
 
     b
-    \"#"
+    "#"##
     );
 
     let t = &"
@@ -800,9 +803,9 @@ b"[1..];
 "[1..];
     assert_eq!(
         SnapshotContents(t.to_string()).to_inline(0),
-        "r#\"
+        r##"r#"
     ab
-\"#"
+"#"##
     );
 
     let t = "ab";
@@ -814,12 +817,12 @@ fn test_snapshot_contents_hashes() {
     let t = "a###b";
     assert_eq!(SnapshotContents(t.to_string()).to_inline(0), r#""a###b""#);
 
-    let t = "a\n###b";
+    let t = "a\n\\###b";
     assert_eq!(
         SnapshotContents(t.to_string()).to_inline(0),
         r#####"r####"
 a
-###b
+\###b
 "####"#####
     );
 }