diff --git a/scriptengines/javascript/common/scriptenv.cpp b/scriptengines/javascript/common/scriptenv.cpp
index 8fd16c681..efb7d86b7 100644
--- a/scriptengines/javascript/common/scriptenv.cpp
+++ b/scriptengines/javascript/common/scriptenv.cpp
@@ -45,7 +45,7 @@
 #include "javascriptaddonpackagestructure.h"
 
 Q_DECLARE_METATYPE(ScriptEnv*)
-
+Q_DECLARE_METATYPE(Plasma::Package)
 ScriptEnv::ScriptEnv(QObject *parent, QScriptEngine *engine)
     : QObject(parent),
       m_allowedUrls(NoUrls),
diff --git a/scriptengines/javascript/plasmoid/appletinterface.cpp b/scriptengines/javascript/plasmoid/appletinterface.cpp
index 215bc0895..7cfa1a671 100644
--- a/scriptengines/javascript/plasmoid/appletinterface.cpp
+++ b/scriptengines/javascript/plasmoid/appletinterface.cpp
@@ -35,6 +35,7 @@
 #include <Plasma/Package>
 
 Q_DECLARE_METATYPE(AppletInterface*)
+Q_DECLARE_METATYPE(Plasma::Package)
 
 AppletInterface::AppletInterface(SimpleJavaScriptApplet *parent)
     : QObject(parent),