diff --git a/cups/tasks/main.yml b/cups/tasks/main.yml
index dd621da..55e06c1 100644
--- a/cups/tasks/main.yml
+++ b/cups/tasks/main.yml
@@ -38,6 +38,7 @@
     dest: /etc/cups/client.conf
     content: |
       ServerName print.{{ mail_domain }}:443
+      GSSServiceName HTTP
       Encryption Required
       AllowAnyRoot No
       TrustOnFirstUse No