diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 9044a560c4..2f3b5bfd2f 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -30,7 +30,12 @@ jobs:
       - name: Extract branch name
         if: success()
         id: extract_branch
-        run: echo "value=${GITHUB_REF:11}" >> $GITHUB_OUTPUT
+        run: |
+            if [ ${GITHUB_EVENT_NAME} == "pull_request" ]; then 
+              echo "value=${GITHUB_BASE_REF:11}" >> $GITHUB_OUTPUT
+            else
+              echo "value=${GITHUB_REF:11}" >> $GITHUB_OUTPUT
+            fi
       - name: Build Documentation
         uses: gradle/gradle-build-action@v2
         with: