diff --git a/.github/workflows/pr-labeler.yml b/.github/workflows/pr-labeler.yml
index a9915bff..213b1b2b 100644
--- a/.github/workflows/pr-labeler.yml
+++ b/.github/workflows/pr-labeler.yml
@@ -40,17 +40,19 @@ jobs:
           else if (changedLines > 9) label = 'size:S';
           else label = 'size:XS';
 
-          return label;
+          core.setOutput("size-label", label);
 
     - name: Apply size label
       uses: actions/github-script@v7
-      if: steps.calculate-size.outputs.result
       with:
         script: |
-          await github.rest.issues.addLabels({
-            owner: context.repo.owner,
-            repo: context.repo.repo,
-            issue_number: context.issue.number,
-            labels: [ "${{steps.calculate-size.outputs.result}}" ]
-          })
+          const label = core.getInput('size-label');
+          if (label) {
+            await github.rest.issues.addLabels({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.issue.number,
+              labels: [label]
+            });
+          }