diff --git a/kwin/metadata.json.in b/kwin/metadata.json.in
index 395d580..7da0e59 100755
--- a/kwin/metadata.json.in
+++ b/kwin/metadata.json.in
@@ -1,4 +1,5 @@
 {
+  "KPackageStructure": "KWin/Effect",
   "KPlugin": {
      "Name": "%NAME%",
      "Description": "%DESCRIPTION%",