diff --git a/scriptengines/javascript/common/javascriptaddonpackagestructure.cpp b/scriptengines/javascript/common/javascriptaddonpackagestructure.cpp
index 3b975c7a5..235e181f5 100644
--- a/scriptengines/javascript/common/javascriptaddonpackagestructure.cpp
+++ b/scriptengines/javascript/common/javascriptaddonpackagestructure.cpp
@@ -25,7 +25,7 @@ JavascriptAddonPackageStructure::JavascriptAddonPackageStructure(QObject *parent
     : Plasma::PackageStructure(parent, "Plasma/JavascriptAddon")
 {
     Q_UNUSED(args)
-    setServicePrefix("plasma-javascriptaddon");
+    setServicePrefix("plasma-javascriptaddon-");
     setDefaultPackageRoot("plasma/javascript-addons/");
     addFileDefinition("mainscript", "code/main.js", i18n("Main Script File"));
     setRequired("mainscript", true);