diff --git a/CLIENT_DATA/setup.ins b/CLIENT_DATA/setup.ins
index e80be71..3d969e3 100644
--- a/CLIENT_DATA/setup.ins
+++ b/CLIENT_DATA/setup.ins
@@ -2,6 +2,7 @@
 requiredWinstVersion >= "4.11.2.1"
  
 setLogLevel=3
+DefVar $ProductId$
 DefVar $ProductName$
 DefVar $local_user$
 DefVar $Group$
diff --git a/CLIENT_DATA/uninstall.ins b/CLIENT_DATA/uninstall.ins
index b79d3bb..4e8de8c 100644
--- a/CLIENT_DATA/uninstall.ins
+++ b/CLIENT_DATA/uninstall.ins
@@ -2,6 +2,7 @@
 requiredWinstVersion >= "4.11.2.1"
  
 setLogLevel=7
+DefVar $ProductId$
 DefVar $ProductName$
 DefVar $OpsiAdminPass$
 DefVar $local_user$