diff --git a/tasks/setup-Debian.yml b/tasks/setup-Debian.yml
index 62e4d1d..8805ba6 100644
--- a/tasks/setup-Debian.yml
+++ b/tasks/setup-Debian.yml
@@ -25,13 +25,13 @@
 
 - name: Ensure curl is present (on older systems without SNI).
   package: name=curl state=present
-  when: add_repository_key|failed
+  when: add_repository_key is failed
 
 - name: Add Docker apt key (alternative for older systems without SNI).
   shell: "curl -sSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -"
   args:
     warn: no
-  when: add_repository_key|failed
+  when: add_repository_key is failed
 
 - name: Add Docker repository.
   apt_repository: