diff --git a/salt/profile/postfix/init.sls b/salt/profile/postfix/init.sls
index b0fd7ec..815b463 100644
--- a/salt/profile/postfix/init.sls
+++ b/salt/profile/postfix/init.sls
@@ -32,7 +32,7 @@ postfix_alias_present_{{ user }}:
 /etc/postfix/master.cf_{{ option }}:
   file.replace:
     - name: /etc/postfix/master.cf
-    - pattern: '^{{ option }}.*$'
+    - pattern: '^{{ option }}\s.*$'
     - repl: '{{ option }} {{ value }}'
     - append_if_not_found: True
     - require: