diff --git a/app/src/main/java/org/matrix/chromext/utils/Url.kt b/app/src/main/java/org/matrix/chromext/utils/Url.kt
index 7cc024a..492307c 100644
--- a/app/src/main/java/org/matrix/chromext/utils/Url.kt
+++ b/app/src/main/java/org/matrix/chromext/utils/Url.kt
@@ -75,7 +75,8 @@ val invalidUserScriptUrls = mutableListOf<String>()
 
 fun isUserScript(url: String?, path: String? = null): Boolean {
   if (url == null) return false
-  if (url.endsWith(".user.js")) {
+  if (url.endsWith(".user.js") ||
+      (Chrome.isEdge && url.endsWith(".js") && url.startsWith("file://"))) {
     if (invalidUserScriptUrls.contains(url)) return false
     invalidUserScriptDomains.forEach { if (url.startsWith("https://" + it) == true) return false }
     return true