diff --git a/check_bond.py/trunk/check_bond.py b/check_bond.py/trunk/check_bond
similarity index 99%
rename from check_bond.py/trunk/check_bond.py
rename to check_bond.py/trunk/check_bond
index 9303613..efa8d1a 100644
--- a/check_bond.py/trunk/check_bond.py
+++ b/check_bond.py/trunk/check_bond
@@ -69,6 +69,7 @@ def readbond( interface ):
 
 def usage():
     print "Usage: %s -i bond0" % sys.argv[0]
+    sys.exit(3)
 
 def main(argv):
     # Set variables