diff --git a/api/Jenkinsfile.ble_test b/api/Jenkinsfile.ble_test
index 1c2cf3f..3237b0a 100644
--- a/api/Jenkinsfile.ble_test
+++ b/api/Jenkinsfile.ble_test
@@ -73,6 +73,7 @@ pipeline {
                                 cd /opt/ble-test/ble_api
                                 git pull
                                 cd /opt/ble-test/ble_api/api
+                                sleep 2
                                 screen -dmS ble_test_${env.TEST_HASH} bash -c "cd /opt/ble-test/ble_api/api && python3 -u ./ble.py ${params.test_count} | tee /tmp/ble_test_${env.TEST_HASH}.log"
                                 tail -f /tmp/ble_test_${env.TEST_HASH}.log
                             """