diff --git a/postfix/defaults/main.yml b/postfix/defaults/main.yml
index 7bbdea43..f0673d65 100644
--- a/postfix/defaults/main.yml
+++ b/postfix/defaults/main.yml
@@ -1,3 +1,3 @@
 ---
 postfix_hostname: "{{ ansible_fqdn }}"
-postfix_slow: False
+postfix_slow_transport_include: False
diff --git a/postfix/tasks/main.yml b/postfix/tasks/main.yml
index 51abf5b5..b3929545 100644
--- a/postfix/tasks/main.yml
+++ b/postfix/tasks/main.yml
@@ -12,7 +12,7 @@
   #check_mode: no (for migration to Ansible 2.2)
   always_run: yes
   register: default_main_cf
-  
+
 - name: create minimal main.cf
   template:
     src: evolinux_main.cf.j2
@@ -27,4 +27,4 @@
 - meta: flush_handlers
 
 - include: slow_transport.yml
-  when: postfix_slow_transport
+  when: postfix_slow_transport_include