diff --git a/src/FileMatchers/EndsWith.php b/src/FileMatchers/EndsWith.php
index c5e4260..22213c5 100644
--- a/src/FileMatchers/EndsWith.php
+++ b/src/FileMatchers/EndsWith.php
@@ -38,6 +38,9 @@ protected function fileEndsWith($haystack, $needle)
             return $this->fileEndsWith($needle, $haystack);
         }
 
+        $haystack = str_replace('\\', '/', $haystack);
+        $needle = str_replace('\\', '/', $needle);
+        
         return (substr($haystack, -$length) === $needle);
     }
 }