diff --git a/data/syntax/javascript.xml b/data/syntax/javascript.xml
--- a/data/syntax/javascript.xml
+++ b/data/syntax/javascript.xml
@@ -3,8 +3,8 @@
 <!-- Author: Anders Lund <anders@alweb.dk> //-->
 <!-- Minor changes: Joseph Wenninger <jowenn@kde.org> //-->
 <!-- Full JavaScript 1.0 support by Whitehawk Stormchaser //-->
-<language name="JavaScript" version="5" kateversion="5.0" section="Scripts" extensions="*.js;*.kwinscript;*.julius"
-          mimetype="text/x-javascript;application/x-javascript" indenter="cstyle"
+<language name="JavaScript" version="6" kateversion="5.0" section="Scripts" extensions="*.js;*.kwinscript;*.julius"
+          mimetype="text/x-javascript;application/x-javascript;application/javascript;text/javascript" indenter="cstyle"
           author="Anders Lund (anders@alweb.dk), Joseph Wenninger (jowenn@kde.org), Whitehawk Stormchaser (zerokode@gmx.net)" license="">
   <highlighting>
     <list name="controlflow">