diff --git a/roles/regcfp/tasks/main.yml b/roles/regcfp/tasks/main.yml
index b663a927c4..e2578c5954 100644
--- a/roles/regcfp/tasks/main.yml
+++ b/roles/regcfp/tasks/main.yml
@@ -24,7 +24,7 @@
   command: /bin/npm install
            chdir=/srv/regcfp
   register: deps
-  changed_when: "len(deps.stdout) > 0"
+  changed_when: "deps.stdout|length > 0"
 
 - name: copy over the server config
   template: src=config.json dest=/srv/regcfp/config/config.json mode=0640