diff --git a/plogical/upgrade.py b/plogical/upgrade.py
index 9905efe3c..9badd85b4 100755
--- a/plogical/upgrade.py
+++ b/plogical/upgrade.py
@@ -1877,7 +1877,7 @@ class Upgrade:
 
                     Upgrade.executioner(command, 0)
                     if Upgrade.decideCentosVersion() == CENTOS7:
-                        command = 'yum install --enablerepo=CyberPanel -y postfix3 postfix3-mysql'
+                        command = 'yum install --enablerepo=gf-plus -y postfix3 postfix3-mysql'
                     else:
                         command = 'dnf install --enablerepo=gf-plus postfix3 postfix3-mysql -y'