diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e1b09c0..c3e56d1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,8 +20,8 @@ jobs:
         MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
         MAVEN_GPG_KEY: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }} #signer=bc
         MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
-        SONAR_PROJECT_KEY: ${{ github.repository_owner }}_${{ github.event.repository.name }}
-      run: mvn --batch-mode --no-transfer-progress -Pdeploy deploy org.sonarsource.scanner.maven:sonar-maven-plugin:4.0.0.4121:sonar -Dsonar.projectKey=${{ SONAR_PROJECT_KEY }}
+        sonar-project-key: ${{ github.repository_owner }}_${{ github.event.repository.name }}
+      run: mvn --batch-mode --no-transfer-progress -Pdeploy deploy org.sonarsource.scanner.maven:sonar-maven-plugin:4.0.0.4121:sonar -Dsonar.projectKey=${{ sonar-project-key }}
     - name: extract version
       id: mvnVer
       run: echo "version=$(mvn help:evaluate -DforceStdout -Dexpression=project.version -q)" >>$GITHUB_OUTPUT