diff --git a/desmume/src/lua-engine.cpp b/desmume/src/lua-engine.cpp
index 0bbd486fa..027ca3509 100644
--- a/desmume/src/lua-engine.cpp
+++ b/desmume/src/lua-engine.cpp
@@ -922,7 +922,7 @@ static void toCStringConverter(lua_State* L, int i, char*& ptr, int& remaining)
 		case LUA_TNIL: APPENDPRINT "nil" END break;
 		case LUA_TBOOLEAN: APPENDPRINT lua_toboolean(L,i) ? "true" : "false" END break;
 		case LUA_TSTRING: APPENDPRINT "%s",lua_tostring(L,i) END break;
-		case LUA_TNUMBER: APPENDPRINT "%.12Lg",lua_tonumber(L,i) END break;
+		case LUA_TNUMBER: APPENDPRINT "%.12g",lua_tonumber(L,i) END break;
 		case LUA_TFUNCTION: 
 			if((L->base + i-1)->value.gc->cl.c.isC)
 			{