diff --git a/test/pleroma/emoji/pack_test.exs b/test/pleroma/emoji/pack_test.exs
index 00001abfc..a05609e9a 100644
--- a/test/pleroma/emoji/pack_test.exs
+++ b/test/pleroma/emoji/pack_test.exs
@@ -62,7 +62,7 @@ defmodule Pleroma.Emoji.PackTest do
       path: Path.absname("test/instance_static/emoji/test_pack/blank.png")
     }
 
-    assert Pack.add_file(pack, nil, nil, file) == {:error, :einval}
+    assert {:error, _} = Pack.add_file(pack, nil, nil, file)
   end
 
   test "returns pack when zip file is empty", %{pack: pack} do