diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 342ab832..a26bd3d8 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -45,6 +45,7 @@ jobs:
     displayName: 'Lint'
   - script: |
       yarn test-coverage
+      export COVERALLS_GIT_BRANCH=$BUILD_SOURCEBRANCH
       yarn coveralls
     displayName: 'Generate and publish coverage'