diff --git a/manifests/init.pp b/manifests/init.pp
index 850e702750552c46222712d8bc45d825e0e573f2..e0eae66b40818fdc3b087f840ef4397205e4ae71 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -87,7 +87,7 @@ class postfix (
     include ::postfix::satellite
   }
 
-  it $mailman {
+  if $mailman {
     include ::postfix::mailman
   }
 }