diff --git a/src/Filters/Filter.php b/src/Filters/Filter.php
index 8376d15c3b..b84097814d 100644
--- a/src/Filters/Filter.php
+++ b/src/Filters/Filter.php
@@ -263,6 +263,7 @@ protected function shouldIgnorePath($path)
             // most developers write, so we need a special case for any system
             // that is different.
             if (DIRECTORY_SEPARATOR === '\\') {
+                $replacements['\\'] = '\\\\';
                 $replacements['/'] = '\\\\';
             }