diff --git a/data/ui_scripts/patches/__init__.lua b/data/ui_scripts/patches/__init__.lua
index 3679bb26..291f5367 100644
--- a/data/ui_scripts/patches/__init__.lua
+++ b/data/ui_scripts/patches/__init__.lua
@@ -2,7 +2,9 @@ if (game:issingleplayer()) then
 	return
 end
 
-require("shaderdialog")
+if (Engine.InFrontend()) then
+	require("shaderdialog")
+end
 
 -- defined in mp_hud/hudutils.lua
 function GetGameModeName()
diff --git a/data/ui_scripts/patches/shaderdialog.lua b/data/ui_scripts/patches/shaderdialog.lua
index 71c67102..9d658d27 100644
--- a/data/ui_scripts/patches/shaderdialog.lua
+++ b/data/ui_scripts/patches/shaderdialog.lua
@@ -1,4 +1,3 @@
-local originaldialog = LUI.ShaderCacheDialog.new
 LUI.MenuBuilder.registerPopupType("ShaderCacheDialog_original", LUI.ShaderCacheDialog.new)
 
 game:addlocalizedstring("PLATFORM_SHADER_PRECACHE_ASK", "Would you like to populate the shader cache? It may cause crashes with certain GPUs (e.g. RTX cards) but will improve performance if successful.")