--- a/E5Network/E5SslCertificatesInfoWidget.py	Sun Jul 19 18:39:55 2015 +0200
+++ b/E5Network/E5SslCertificatesInfoWidget.py	Wed Jul 22 19:45:39 2015 +0200
@@ -173,7 +173,7 @@
         if serial == "":
             return self.tr("<not part of the certificate>")
         
-        if ':' in serial:
+        if b':' in serial:
             return str(serial, encoding="ascii").upper()
         else:
             hexString = hex(int(serial))[2:]