diff --git a/render_gongs.py b/render_gongs.py
index 755e88e..56a391d 100755
--- a/render_gongs.py
+++ b/render_gongs.py
@@ -122,10 +122,7 @@ if __name__ == '__main__':
     seq = random(n)
     duration = float(sys.argv[2]) + 10
     tracks = int(sys.argv[3])
-    if len(sys.argv) > 1:
-        tracks = int(sys.argv[1])
-    else:
-        tracks = 42
+    output = sys.argv[4]
     data = get_gongs(seq, {}, duration, tracks)
     mix_gongs(data, output)
     with open(output + '.json', 'w') as fd: