diff --git a/.circleci/config.yml b/.circleci/config.yml
index f1051b460..ffbf1980f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -17,7 +17,7 @@ jobs:
             docker-compose down --v
             docker-compose build
             TESTS_RUN_EXTERNAL_INTEGRATION="true"
-            if [ -n "$CIRCLE_PR_NUMBER" ]; then
+            if [ -n "$CIRCLE_PULL_REQUEST" ]; then
                 TESTS_RUN_EXTERNAL_INTEGRATION="false"
             fi
             docker-compose run -e TESTS_RUN_EXTERNAL_INTEGRATION=$TESTS_RUN_EXTERNAL_INTEGRATION tests