diff --git a/.github/workflows/stale-action.yml b/.github/workflows/stale-action.yml
index 65c7adbf277bb4f86c00d2570a06097c6a5a7558..173117532168d983285d34b66a0fd239e84a23ba 100644
--- a/.github/workflows/stale-action.yml
+++ b/.github/workflows/stale-action.yml
@@ -36,6 +36,9 @@ jobs:
           days-before-issue-close: 7
           close-issue-message: 'This bug report has been closed as we need a reproduction to work on this. If the original poster or anybody else with the same problem discovers that they can reproduce it, please create a new issue, and reference this issue.'
 
-          # Never label/close any pull requests
+          # Close stale issues as "not planned" on GitHub.
+          close-issue-reason: 'not_planned'
+
+          # Never label/close any pull requests.
           days-before-pr-close: -1
           days-before-pr-stale: -1