diff --git a/modules/wm/sway/home.nix b/modules/wm/sway/home.nix
index e367e96..f5a51fb 100644
--- a/modules/wm/sway/home.nix
+++ b/modules/wm/sway/home.nix
@@ -108,7 +108,7 @@
         assigns = {
             "workspace number 1" = [{ app_id = "thunderbird"; }];
             "workspace number 2" = [{ app_id = "firefox"; }];
-            "workspace number 3" = [{ class = "Element"; }];
+            "workspace number 3" = [{ app_id = "Element"; }];
         };
 
         window.commands = [