diff --git a/stepmania/Themes/default/BGAnimations/ScreenSystemLayer overlay.lua b/stepmania/Themes/default/BGAnimations/ScreenSystemLayer overlay.lua
index bb4b662826..36ee72bd52 100644
--- a/stepmania/Themes/default/BGAnimations/ScreenSystemLayer overlay.lua	
+++ b/stepmania/Themes/default/BGAnimations/ScreenSystemLayer overlay.lua	
@@ -1,4 +1,4 @@
-function CreditsText( pn )
+local function CreditsText( pn )
 	function update(self)
 		local str = ScreenSystemLayerHelpers.GetCreditsMessage(pn);
 		self:settext(str);