diff --git a/src/Cache.php b/src/Cache.php
index 89b6dc2..bef41d4 100644
--- a/src/Cache.php
+++ b/src/Cache.php
@@ -200,6 +200,7 @@ protected function getDirectoryAndFileNames($request, $response)
         $segments = explode('/', trim($request->getPathInfo(), '/'));
 
         $filename = $this->aliasFilename(array_pop($segments));
+        $filename = rawurldecode($filename);
         $extension = $this->guessFileExtension($response);
 
         $file = "{$filename}.{$extension}";