diff --git a/grammars/javascript.cson b/grammars/javascript.cson
index 154de308..1c77ac54 100644
--- a/grammars/javascript.cson
+++ b/grammars/javascript.cson
@@ -7,6 +7,8 @@
   'gs'
   'htc'
   'jscad'
+  'jscript'
+  'jse'
   'jslib'
   'jsm'
   'json5'