diff --git a/changelogs/fragments/100-fix-update_failture_action-keyerror-in-docker_swarm_service.yaml b/changelogs/fragments/100-fix-update_failture_action-keyerror-in-docker_swarm_service.yaml
new file mode 100644
index 00000000..34a0928e
--- /dev/null
+++ b/changelogs/fragments/100-fix-update_failture_action-keyerror-in-docker_swarm_service.yaml
@@ -0,0 +1,3 @@
+bugfixes:
+  - "``docker_swarm_service`` - fix KeyError on caused by reference to 
+    deprecated option ``update_failure_action`` (https://github.com/ansible-collections/community.docker/pull/100)."
diff --git a/plugins/modules/docker_swarm_service.py b/plugins/modules/docker_swarm_service.py
index 2520caa9..fa778562 100644
--- a/plugins/modules/docker_swarm_service.py
+++ b/plugins/modules/docker_swarm_service.py
@@ -2552,9 +2552,7 @@ def _detect_update_config_failure_action_rollback(client):
     rollback_config_failure_action = (
         (client.module.params['update_config'] or {}).get('failure_action')
     )
-    update_failure_action = client.module.params['update_failure_action']
-    failure_action = rollback_config_failure_action or update_failure_action
-    return failure_action == 'rollback'
+    return rollback_config_failure_action == 'rollback'
 
 
 def main():