diff --git a/tools/pusb_adm b/tools/pusb_adm
index 957481f..e8f5fe8 100755
--- a/tools/pusb_adm
+++ b/tools/pusb_adm
@@ -18,6 +18,7 @@
 
 import dbus
 import sys
+import os
 from xml.dom import minidom
 
 class Device:
@@ -134,7 +135,7 @@ def addDevice(options):
     print 'Done.'
 
 def usage():
-    print 'Usage: %s [--config file] --add-device <name> [--no-autodetect]' % sys.argv[0]
+    print 'Usage: %s [--config file] --add-device <name> [--no-autodetect]' % os.path.basename(__file__)
     sys.exit(1)
 
 import getopt
diff --git a/tools/pusb_hotplug b/tools/pusb_hotplug
index 10dff3c..eaec17c 100755
--- a/tools/pusb_hotplug
+++ b/tools/pusb_hotplug
@@ -102,8 +102,8 @@ class Log:
         syslog.syslog(priority, message)
 
 def usage():
-    print 'Usage: %s [--config file] [--daemon] [--path pusb_check_path]' \
-          % sys.argv[0]
+    print 'Usage: %s [--config file] [--daemon] [--path pusb_check_path]' % \
+          os.path.basename(__file__)
     sys.exit(1)
 
 import getopt