diff --git a/tests/check_testimages.rs b/tests/check_testimages.rs
index c66055b8da..f624d624df 100644
--- a/tests/check_testimages.rs
+++ b/tests/check_testimages.rs
@@ -3,7 +3,7 @@ extern crate glob;
 
 use std::collections::HashMap;
 use std::fs::File;
-use std::path::PathBuf;
+use std::path::{Component, Path, PathBuf};
 
 use std::io::BufReader;
 use std::io::prelude::*;
@@ -20,12 +20,13 @@ where F: Fn(PathBuf) -> Result<u32, png::DecodingError> {
         let mut path = base.clone();
         path.push(suite);
         path.push("*.png");
+
         let pattern = &*format!("{}", path.display());
         for path in glob::glob(pattern).unwrap().filter_map(Result::ok) {
-            print!("{:?}: ", path.clone());
+            print!("{}: ", path.display());
             match func(path.clone()) {
                 Ok(crc) => {
-                    results.insert(format!("{:?}", path), format!("{}", crc));
+                    results.insert(format!("{}", path.display()), format!("{}", crc));
                     println!("{}", crc)
                 },
                 Err(_) if path.file_name().unwrap().to_str().unwrap().starts_with("x") => {
@@ -46,13 +47,14 @@ where F: Fn(PathBuf) -> Result<u32, png::DecodingError> {
         if parts[1] == "Expected failure" {
             failures += 1;
         } else {
-            ref_results.insert(parts[0].to_string(), parts[1].to_string());
+            let current_path = format!("{}", normalize_path(Path::new(&parts[0])).display());
+            ref_results.insert(current_path, parts[1].to_string());
         }
     }
     assert_eq!(expected_failures, failures);
     for (path, crc) in results.iter() {
         assert_eq!(
-            ref_results.get(path).expect(&format!("reference for {:?} is missing", path)), 
+            ref_results.get(path).expect(&format!("reference for {} is missing", path)), 
             crc
         )
     }
@@ -79,6 +81,33 @@ fn render_images() {
     })
 }
 
+// until rust standardizes path normalization, see https://github.com/rust-lang/rfcs/issues/2208
+fn normalize_path(path: &Path) -> PathBuf {
+    let mut components = path.components().peekable();
+    let mut ret = if let Some(c @ Component::Prefix(..)) = components.peek().cloned() {
+        components.next();
+        PathBuf::from(c.as_os_str())
+    } else {
+        PathBuf::new()
+    };
+
+    for component in components {
+        match component {
+            Component::Prefix(..) => unreachable!(),
+            Component::RootDir => {
+                ret.push(component.as_os_str());
+            }
+            Component::CurDir => {}
+            Component::ParentDir => {
+                ret.pop();
+            }
+            Component::Normal(c) => {
+                ret.push(c);
+            }
+        }
+    }
+    ret
+}
 
 const CRC_TABLE: [u32; 256] = [
     0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
diff --git a/tests/results.txt b/tests/results.txt
index f4ffd439bf..40e68d1646 100644
--- a/tests/results.txt
+++ b/tests/results.txt
@@ -1,182 +1,182 @@
-"tests/pngsuite/PngSuite.png": 4071145679
-"tests/pngsuite/basi0g01.png": 1916321797
-"tests/pngsuite/basi0g02.png": 1959377845
-"tests/pngsuite/basi0g04.png": 57892328
-"tests/pngsuite/basi0g08.png": 2018200142
-"tests/pngsuite/basi0g16.png": 101827364
-"tests/pngsuite/basi2c08.png": 2018884031
-"tests/pngsuite/basi2c16.png": 4291567313
-"tests/pngsuite/basi3p01.png": 837560395
-"tests/pngsuite/basi3p02.png": 664421946
-"tests/pngsuite/basi3p04.png": 983434126
-"tests/pngsuite/basi3p08.png": 4285409600
-"tests/pngsuite/basi4a08.png": 2960547948
-"tests/pngsuite/basi4a16.png": 1352835972
-"tests/pngsuite/basi6a08.png": 2806903596
-"tests/pngsuite/basi6a16.png": 677111136
-"tests/pngsuite/basn0g01.png": 1916321797
-"tests/pngsuite/basn0g02.png": 1959377845
-"tests/pngsuite/basn0g04.png": 57892328
-"tests/pngsuite/basn0g08.png": 2018200142
-"tests/pngsuite/basn0g16.png": 101827364
-"tests/pngsuite/basn2c08.png": 2018884031
-"tests/pngsuite/basn2c16.png": 4291567313
-"tests/pngsuite/basn3p01.png": 837560395
-"tests/pngsuite/basn3p02.png": 664421946
-"tests/pngsuite/basn3p04.png": 983434126
-"tests/pngsuite/basn3p08.png": 4285409600
-"tests/pngsuite/basn4a08.png": 2960547948
-"tests/pngsuite/basn4a16.png": 1352835972
-"tests/pngsuite/basn6a08.png": 2806903596
-"tests/pngsuite/basn6a16.png": 677111136
-"tests/pngsuite/bgai4a08.png": 2960547948
-"tests/pngsuite/bgai4a16.png": 1352835972
-"tests/pngsuite/bgan6a08.png": 2806903596
-"tests/pngsuite/bgan6a16.png": 677111136
-"tests/pngsuite/bgbn4a08.png": 2960547948
-"tests/pngsuite/bggn4a16.png": 1352835972
-"tests/pngsuite/bgwn6a08.png": 2806903596
-"tests/pngsuite/bgyn6a16.png": 677111136
-"tests/pngsuite/ccwn2c08.png": 1639358094
-"tests/pngsuite/ccwn3p08.png": 773689073
-"tests/pngsuite/cdfn2c08.png": 2578399395
-"tests/pngsuite/cdhn2c08.png": 2225401664
-"tests/pngsuite/cdsn2c08.png": 2192731567
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-"tests/pngsuite/s38n3p04.png": 3946574628
-"tests/pngsuite/s39i3p04.png": 3228401057
-"tests/pngsuite/s39n3p04.png": 3228401057
-"tests/pngsuite/s40i3p04.png": 222714016
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-"tests/pngsuite/tbgn3p08.png": 2639711591
-"tests/pngsuite/tbrn2c08.png": 57733001
-"tests/pngsuite/tbwn0g16.png": 2613597433
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-"tests/pngsuite/tp0n3p08.png": 357118518
-"tests/pngsuite/tp1n3p08.png": 2639711591
-"tests/pngsuite/xc1n0g08.png": Expected failure
-"tests/pngsuite/xc9n2c08.png": Expected failure
-"tests/pngsuite/xcrn0g04.png": Expected failure
-"tests/pngsuite/xcsn0g01.png": Expected failure
-"tests/pngsuite/xd0n2c08.png": Expected failure
-"tests/pngsuite/xd3n2c08.png": Expected failure
-"tests/pngsuite/xd9n2c08.png": Expected failure
-"tests/pngsuite/xdtn0g01.png": Expected failure
-"tests/pngsuite/xhdn0g08.png": Expected failure
-"tests/pngsuite/xlfn0g04.png": Expected failure
-"tests/pngsuite/xs1n0g01.png": Expected failure
-"tests/pngsuite/xs2n0g01.png": Expected failure
-"tests/pngsuite/xs4n0g01.png": Expected failure
-"tests/pngsuite/xs7n0g01.png": Expected failure
-"tests/pngsuite/z00n2c08.png": 4176991825
-"tests/pngsuite/z03n2c08.png": 4176991825
-"tests/pngsuite/z06n2c08.png": 4176991825
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-"tests/pngsuite-extra/basi3p02_2.png": 419215269
-"tests/bugfixes/invalid_palette_index.png": 3040120786
-"tests/bugfixes/acid2.png": 2380843583
-"tests/bugfixes/issue#403.png": 2961280239
-"tests/bugfixes/x_ihdr_missing.png": Expected failure
-"tests/bugfixes/x_unexpected_eof.png": Expected failure
+tests/pngsuite/PngSuite.png: 4071145679
+tests/pngsuite/basi0g01.png: 1916321797
+tests/pngsuite/basi0g02.png: 1959377845
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+tests/pngsuite/f02n0g08.png: 2042218974
+tests/pngsuite/f02n2c08.png: 2132584325
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+tests/pngsuite/s06n3p02.png: 3612906816
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+tests/pngsuite/s07n3p02.png: 3536647305
+tests/pngsuite/s08i3p02.png: 732016702
+tests/pngsuite/s08n3p02.png: 732016702
+tests/pngsuite/s09i3p02.png: 2539836141
+tests/pngsuite/s09n3p02.png: 2539836141
+tests/pngsuite/s32i3p04.png: 2902586445
+tests/pngsuite/s32n3p04.png: 2902586445
+tests/pngsuite/s33i3p04.png: 3539250792
+tests/pngsuite/s33n3p04.png: 3539250792
+tests/pngsuite/s34i3p04.png: 3152913399
+tests/pngsuite/s34n3p04.png: 3152913399
+tests/pngsuite/s35i3p04.png: 2569616079
+tests/pngsuite/s35n3p04.png: 2569616079
+tests/pngsuite/s36i3p04.png: 4112160480
+tests/pngsuite/s36n3p04.png: 4112160480
+tests/pngsuite/s37i3p04.png: 2449954980
+tests/pngsuite/s37n3p04.png: 2449954980
+tests/pngsuite/s38i3p04.png: 3946574628
+tests/pngsuite/s38n3p04.png: 3946574628
+tests/pngsuite/s39i3p04.png: 3228401057
+tests/pngsuite/s39n3p04.png: 3228401057
+tests/pngsuite/s40i3p04.png: 222714016
+tests/pngsuite/s40n3p04.png: 222714016
+tests/pngsuite/tbbn0g04.png: 2375338924
+tests/pngsuite/tbbn2c16.png: 57733001
+tests/pngsuite/tbbn3p08.png: 2639711591
+tests/pngsuite/tbgn2c16.png: 57733001
+tests/pngsuite/tbgn3p08.png: 2639711591
+tests/pngsuite/tbrn2c08.png: 57733001
+tests/pngsuite/tbwn0g16.png: 2613597433
+tests/pngsuite/tbwn3p08.png: 2639711591
+tests/pngsuite/tbyn3p08.png: 2639711591
+tests/pngsuite/tm3n3p02.png: 3889866741
+tests/pngsuite/tp0n0g08.png: 3286082606
+tests/pngsuite/tp0n2c08.png: 3022435152
+tests/pngsuite/tp0n3p08.png: 357118518
+tests/pngsuite/tp1n3p08.png: 2639711591
+tests/pngsuite/xc1n0g08.png: Expected failure
+tests/pngsuite/xc9n2c08.png: Expected failure
+tests/pngsuite/xcrn0g04.png: Expected failure
+tests/pngsuite/xcsn0g01.png: Expected failure
+tests/pngsuite/xd0n2c08.png: Expected failure
+tests/pngsuite/xd3n2c08.png: Expected failure
+tests/pngsuite/xd9n2c08.png: Expected failure
+tests/pngsuite/xdtn0g01.png: Expected failure
+tests/pngsuite/xhdn0g08.png: Expected failure
+tests/pngsuite/xlfn0g04.png: Expected failure
+tests/pngsuite/xs1n0g01.png: Expected failure
+tests/pngsuite/xs2n0g01.png: Expected failure
+tests/pngsuite/xs4n0g01.png: Expected failure
+tests/pngsuite/xs7n0g01.png: Expected failure
+tests/pngsuite/z00n2c08.png: 4176991825
+tests/pngsuite/z03n2c08.png: 4176991825
+tests/pngsuite/z06n2c08.png: 4176991825
+tests/pngsuite/z09n2c08.png: 4176991825
+tests/pngsuite-extra/basi3p01_2.png: 2570215674
+tests/pngsuite-extra/basi3p02_2.png: 419215269
+tests/bugfixes/invalid_palette_index.png: 3040120786
+tests/bugfixes/acid2.png: 2380843583
+tests/bugfixes/issue#403.png: 2961280239
+tests/bugfixes/x_ihdr_missing.png: Expected failure
+tests/bugfixes/x_unexpected_eof.png: Expected failure