diff --git a/index.js b/index.js
index 79bf006..12aaa24 100644
--- a/index.js
+++ b/index.js
@@ -39,7 +39,7 @@ const FSStorage = (
   const baseFolder = resolvePath(location, folder);
 
   const pathForKey = (key: string) =>
-    resolvePath(baseFolder, encodeURIComponent(key));
+    resolvePath(baseFolder, key.replace(/[;\\/:*?\"<>|&']/gi,'_'));
 
   const setItem = (
     key: string,