diff --git a/pi/monitor.py b/pi/monitor.py
index 18d9312..8ace124 100644
--- a/pi/monitor.py
+++ b/pi/monitor.py
@@ -55,7 +55,7 @@
 
           print " verifying with: " + verify
 
-          url = url_base + "verify-status" + ext + "?door_id=" + str(id) + "&verify=" + verify
+          url = url_base + "verify-status" + ext + "?door_id=" + str(id) + "&verify=" + urllib.quote(verify)
           print " open " + url
           response = urllib2.urlopen(url)
           print " returned: " + response.read()