diff --git a/pkgs/by-name/fl/fluffychat/package.nix b/pkgs/by-name/fl/fluffychat/package.nix
index b9f4426b0fd5..e00a5cffd5de 100644
--- a/pkgs/by-name/fl/fluffychat/package.nix
+++ b/pkgs/by-name/fl/fluffychat/package.nix
@@ -93,6 +93,7 @@ flutter341.buildFlutterApplication (
           "Network"
           "InstantMessaging"
         ];
+        startupWMClass = "fluffychat";
       })
     ];