diff --git a/action.yaml b/action.yaml
index ee2ce2f..0137589 100644
--- a/action.yaml
+++ b/action.yaml
@@ -38,7 +38,7 @@ inputs:
         description: 'Name of the helm deploy.'
         required: true
     action:
-        description: 'Specify whether you want to install or uninstall the target helm chart'
+        description: 'Specify whether you want to list, install or uninstall the target helm chart'
         required: false
         default: 'install'
     dry-run:
diff --git a/deploy.sh b/deploy.sh
index e6883b5..de4ba62 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -195,8 +195,8 @@ if [ -n "$DEPLOY_NAMESPACE" ]; then
 fi
 
 # Create namespace if it doesn't exist. Requires cluster API permissions.
-# Will conflict with `list`, so don't set if in list mode
-if [ "${CREATE_NAMESPACE}" == "true" ] && [ "${HELM_ACTION}" != "list" ]; then
+# Only applies to `install` option. `helm upgrade` is not used.
+if [ "${CREATE_NAMESPACE}" == "true" ] && [ "${HELM_ACTION}" == "install" ]; then
     HELM_COMMAND="${HELM_COMMAND} --create-namespace"
 fi