diff --git a/src/nostalgia/tools/pack.cpp b/src/nostalgia/tools/pack.cpp
index 7ab69a34..391b11f3 100644
--- a/src/nostalgia/tools/pack.cpp
+++ b/src/nostalgia/tools/pack.cpp
@@ -24,7 +24,7 @@ static void writeFileBuff(const std::string &path, std::vector<char> &buff) {
 	}
 }
 
-void run(ox::ClArgs args) {
+static void run(const ox::ClArgs &args) {
 	std::string argSrc = args.getString("src").c_str();
 	std::string argDst = args.getString("dst").c_str();
 	if (argSrc == "") {