diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
index fc921ed59..601e79c5c 100644
--- a/.github/workflows/stale.yml
+++ b/.github/workflows/stale.yml
@@ -20,7 +20,6 @@ jobs:
           days-before-close: 7
           stale-issue-label: 'stale'
           stale-pr-label: 'stale'
-          exempt-issue-labels:
-            - 'rfc'
+          exempt-issue-labels: 'rfc'
           exempt-draft-pr: true