diff --git a/src/main.d b/src/main.d
index 1f78b92..3f04879 100644
--- a/src/main.d
+++ b/src/main.d
@@ -4,10 +4,15 @@ import std.typecons;
 import gamesdb;
 import isotoserial;
 
-int main() {
+int main(string[] argv) {
 	Unique!GamesDB db = new GamesDB;
 
-	string serial = iso_to_serial("/home/michele/deleme/b-mikuex.iso");
+	if (argv.length != 2) {
+		stderr.writeln("Usage: psp2name <path_to_psp_iso>");
+		return 2;
+	}
+
+	string serial = iso_to_serial(argv[1]);
 	writeln(db.find_by_serial(serial));
 	return 0;
 }