diff --git a/Tools/audiopy/audiopy b/Tools/audiopy/audiopy
index e1ab1b635d2..bef95c2f856 100755
--- a/Tools/audiopy/audiopy
+++ b/Tools/audiopy/audiopy
@@ -282,7 +282,8 @@ class MainWindow:
 
 def usage(msg='', code=1):
     print __doc__ % globals()
-    print msg
+    if msg:
+        print msg
     sys.exit(code)