diff --git a/Source/utils/log.hpp b/Source/utils/log.hpp
index 26c42952778..1a68d837e8d 100644
--- a/Source/utils/log.hpp
+++ b/Source/utils/log.hpp
@@ -58,6 +58,7 @@ std::string format(std::string_view fmt, Args &&...args)
 		SDL_LogCritical(SDL_LOG_CATEGORY_APPLICATION, "%s", error.c_str());
 		app_fatal(error);
 #endif
+		return std::string("");
 	}
 }