diff --git a/src/platform/$.coffee b/src/platform/$.coffee
index a031c162a..c730acd4d 100644
--- a/src/platform/$.coffee
+++ b/src/platform/$.coffee
@@ -545,7 +545,7 @@ if GM?.deleteValue? and window.BroadcastChannel and not GM_addValueChangeListene
       cb?()
 
   $.clear = (cb) ->
-    GM.listValues.then (keys) ->
+    GM.listValues().then (keys) ->
       $.delete keys.map((key) -> key.replace g.NAMESPACE, ''), cb
 
 else