diff --git a/tasks/os-debian.yml b/tasks/os-debian.yml
index 7745777..05c0261 100644
--- a/tasks/os-debian.yml
+++ b/tasks/os-debian.yml
@@ -12,7 +12,7 @@
     group: root
     mode: 0644
   vars:
-    value: "{{if true == apt_clean_after_install or apt_proxy is defined  then  'true'  else  'false'}}"
+    value: "{{'true'  if true == apt_clean_after_install or apt_proxy is defined else  'false'}}"
 - name: "Use proxy for apt http"
   when: "apt_proxy is defined"
   copy: