diff --git a/stepmania/src/ThemeManager.cpp b/stepmania/src/ThemeManager.cpp
index 497770b8e6..fcd9c0e878 100644
--- a/stepmania/src/ThemeManager.cpp
+++ b/stepmania/src/ThemeManager.cpp
@@ -1160,7 +1160,7 @@ class LunaThemeManager: public Luna<ThemeManager>
 public:
 	LunaThemeManager() { LUA->Register( Register ); }
 
-	static int GetMetric( T* p, lua_State *L )			{ lua_pushstring(L, p->GetMetric(SArg(1),SArg(2)) ); return 1; }
+	static int GetMetric( T* p, lua_State *L )			{ p->PushMetric( L, SArg(1),SArg(2) ); return 1; }
 	static int GetString( T* p, lua_State *L )			{ lua_pushstring(L, p->GetString(SArg(1),SArg(2)) ); return 1; }
 	static int GetPathG( T* p, lua_State *L )			{ lua_pushstring(L, p->GetPathG(SArg(1),SArg(2)) ); return 1; }
 	static int GetPathB( T* p, lua_State *L )			{ lua_pushstring(L, p->GetPathB(SArg(1),SArg(2)) ); return 1; }