diff --git a/lib/pleroma/emoji/pack.ex b/lib/pleroma/emoji/pack.ex
index 142208854..e95320a07 100644
--- a/lib/pleroma/emoji/pack.ex
+++ b/lib/pleroma/emoji/pack.ex
@@ -125,7 +125,7 @@ defmodule Pleroma.Emoji.Pack do
         {:ok, _emoji_files} =
           :zip.unzip(
             to_charlist(file.path),
-            [{:file_list, Enum.map(emojies, & &1[:path])}, {:cwd, tmp_dir}]
+            [{:file_list, Enum.map(emojies, & &1[:path])}, {:cwd, to_charlist(tmp_dir)}]
           )
 
         {_, updated_pack} =
diff --git a/test/pleroma/emoji/pack_test.exs b/test/pleroma/emoji/pack_test.exs
index f5d2e2eef..3843add13 100644
--- a/test/pleroma/emoji/pack_test.exs
+++ b/test/pleroma/emoji/pack_test.exs
@@ -64,7 +64,7 @@ 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 Pack.add_file(pack, nil, nil, file) == {:error, :bad_eocd}
   end
 
   test "returns pack when zip file is empty", %{pack: pack} do