diff --git a/.env.template b/.env.template
index 1e78a65..59b7dff 100644
--- a/.env.template
+++ b/.env.template
@@ -39,7 +39,7 @@ Categories="Utility"
 Implements=
 Keywords=
 StartupNotify=
-StartupWMClass="${FILENAME}"
+StartupWMClass="${ID}"
 URL=
 PrefersNonDefaultGPU=
 SingleMainWindow=