diff --git a/integration-tests/test-screening.sh b/integration-tests/test-screening.sh
index 452d009159bf4fac8924093c6a99639c74949c27..fee4b83dd8c219c87eb191e1df1b5b809f66ed35 100755
--- a/integration-tests/test-screening.sh
+++ b/integration-tests/test-screening.sh
@@ -140,6 +140,8 @@ function integration_tests_screening {
 		install_screening
 
     prepare_data_first_phase
+    # let openBIS AS start before starting DSS
+    sleep 15
     switch_dss "on" datastore_server_screening
     sleep 30
     assertSpotSizes "24x16,24x16"