diff --git a/Rules/rules.xml b/Rules/rules.xml
index 95447f8..935afa0 100644
--- a/Rules/rules.xml
+++ b/Rules/rules.xml
@@ -22,14 +22,14 @@
 	  command="/usr/bin/newaliases"/>
   <Action name="update-postfix-canonical"
 	  timing="post" when="modified" status="check"
-	  command="/usr/sbin/postmap canonical"/>
+	  command="/usr/sbin/postmap /etc/postfix/canonical"/>
   <Action name="update-postfix-mime_header_checks"
 	  timing="post" when="modified" status="check"
-	  command="/usr/sbin/postmap mime_header_checks"/>
+	  command="/usr/sbin/postmap /etc/postfix/mime_header_checks"/>
   <Action name="update-postfix-transport"
 	  timing="post" when="modified" status="check"
-	  command="/usr/sbin/postmap transport"/>
+	  command="/usr/sbin/postmap /etc/postfix/transport"/>
   <Action name="update-postfix-virtual"
 	  timing="post" when="modified" status="check"
-	  command="/usr/sbin/postmap virtual"/>
+	  command="/usr/sbin/postmap /etc/postfix/virtual"/>
 </Rules>