diff --git a/python/rhn/transports.py b/python/rhn/transports.py
index 00277b04c649..1fd6ad147545 100644
--- a/python/rhn/transports.py
+++ b/python/rhn/transports.py
@@ -261,7 +261,7 @@ def __init__(self, transfer=0, encoding=0, refreshCallback=None,
 
     def add_trusted_cert(self, certfile):
         if not os.access(certfile, os.R_OK):
-            raise ValueError("Certificate file %s is not accessible" % certfile)
+            raise ValueError("SafeTransport: Certificate file %s is not accessible" % certfile)
         self.trusted_certs.append(certfile)
 
     def get_connection(self, host):
@@ -316,7 +316,7 @@ def __init__(self, proxy, proxyUsername=None, proxyPassword=None,
 
     def add_trusted_cert(self, certfile):
         if not os.access(certfile, os.R_OK):
-            raise ValueError("Certificate file %s is not accessible" % certfile)
+            raise ValueError("SafeProxyTransport:Certificate file %s is not accessible" % certfile)
         self.trusted_certs.append(certfile)
 
     def get_connection(self, host):