diff --git a/data/ui_scripts/extra_gamemodes/__init__.lua b/data/ui_scripts/extra_gamemodes/__init__.lua
index 6bdadc82..5608b759 100644
--- a/data/ui_scripts/extra_gamemodes/__init__.lua
+++ b/data/ui_scripts/extra_gamemodes/__init__.lua
@@ -1,3 +1,7 @@
+if (game:issingleplayer() or not Engine.InFrontend()) then
+    return
+end
+
 Cac.GameModes.Data = {
     Standard = {
         Label = Engine.Localize("@MPUI_STANDARD_CAPS"),