diff --git a/postgresql/tasks/configure-access.yml b/postgresql/tasks/configure-access.yml
index 4010d181..30154ba1 100644
--- a/postgresql/tasks/configure-access.yml
+++ b/postgresql/tasks/configure-access.yml
@@ -75,5 +75,5 @@
   service: name=postgresql state=restarted
   when:
     - postgresql_enabled
-    - restart_postgresql.changed
+    - ( restart_postgresql is defined ) and ( restart_postgresql | changed )
   tags: [ 'postgresql', 'postgres', 'pg_hba', 'pg_conf' ]