diff --git a/.github/workflows/pr_labels.yaml b/.github/workflows/pr_labels.yaml
index a08c0635b96b..032994cecb07 100644
--- a/.github/workflows/pr_labels.yaml
+++ b/.github/workflows/pr_labels.yaml
@@ -47,6 +47,7 @@ jobs:
               }
             }
             // add first encountered label
+            if (!description) return;
             for (let pair of mapping) {
               if (!description.includes(pair[0])) continue;
               // add label