diff --git a/changelogs/fragments/295-fix-k8s-drain-variable-declaration.yaml b/changelogs/fragments/295-fix-k8s-drain-variable-declaration.yaml
new file mode 100644
index 0000000000..c56d386360
--- /dev/null
+++ b/changelogs/fragments/295-fix-k8s-drain-variable-declaration.yaml
@@ -0,0 +1,3 @@
+---
+bugfixes:
+  - k8s_drain - fix error caused by accessing an undefined variable when pods have local storage (https://github.com/ansible-collections/kubernetes.core/issues/292).
diff --git a/plugins/modules/k8s_drain.py b/plugins/modules/k8s_drain.py
index dd4f96413b..abde846969 100644
--- a/plugins/modules/k8s_drain.py
+++ b/plugins/modules/k8s_drain.py
@@ -183,6 +183,7 @@ def filter_pods(pods, force, ignore_daemonset):
 
     # local storage
     if localStorage:
+        pod_names = ",".join([pod[0] + "/" + pod[1] for pod in localStorage])
         errors.append("cannot delete Pods with local storage: {0}.".format(pod_names))
 
     # DaemonSet managed Pods