diff --git a/tasks/setup-repository-Debian.yml b/tasks/setup-repository-Debian.yml
index 3e7522f..d924969 100644
--- a/tasks/setup-repository-Debian.yml
+++ b/tasks/setup-repository-Debian.yml
@@ -60,7 +60,7 @@
     _docker_enable_channels: "{{ docker_channels | intersect(_docker_merged_channels) }}"
   vars:
     _docker_mandatory_channel: []
-    _docker_merged_channels: "{{ _docker_mandatory_channel }} + [ '{{ docker_channel }}' ]"
+    _docker_merged_channels: "{{ _docker_mandatory_channel + [docker_channel] }}"
 
 - name: Add Docker CE repository with correct channels (Ubuntu/Debian)
   become: true
diff --git a/tasks/setup-repository-RedHat.yml b/tasks/setup-repository-RedHat.yml
index 5c5a965..5821f4c 100644
--- a/tasks/setup-repository-RedHat.yml
+++ b/tasks/setup-repository-RedHat.yml
@@ -26,7 +26,7 @@
     _docker_enable_channels: "{{ docker_channels | intersect(_docker_merged_channels) }}"
   vars:
     _docker_mandatory_channel: []
-    _docker_merged_channels: "{{ _docker_mandatory_channel }} + [ '{{ docker_channel }}' ]"
+    _docker_merged_channels: "{{ _docker_mandatory_channel + [docker_channel] }}"
 
 - name: Add Docker CE repository
   when: