diff --git a/src/game/game_info.cpp b/src/game/game_info.cpp
--- a/src/game/game_info.cpp
+++ b/src/game/game_info.cpp
@@ -75,7 +75,7 @@ template <> const char *GetClassName<Gam
 	if (!info->CheckMethod("GetAPIVersion")) return SQ_ERROR;
 	if (!info->engine->CallStringMethodStrdup(*info->SQ_instance, "GetAPIVersion", &info->api_version, MAX_GET_OPS)) return SQ_ERROR;
 	if (!CheckAPIVersion(info->api_version)) {
-		DEBUG(script, 1, "Loading info.nut from (%s.%d): GetAPIVersion returned invalid version", info->GetName(), info->GetVersion());
+		Debug(script, 1, "Loading info.nut from ({}.{}): GetAPIVersion returned invalid version", info->GetName(), info->GetVersion());
 		return SQ_ERROR;
 	}