diff --git a/.github/workflows/scan.yml b/.github/workflows/scan.yml
index e06f65c2..c7ec2fac 100644
--- a/.github/workflows/scan.yml
+++ b/.github/workflows/scan.yml
@@ -71,3 +71,4 @@ jobs:
           args: >
             -Dsonar.organization=${{ github.repository_owner }}
             -Dsonar.projectKey=${{ github.repository_owner }}_${{ github.event.repository.name }}
+            -Dsonar.pullrequest.key=${{ github.event.pull_request.number }}