diff --git a/hawkbit-runtime/.sandbox/scripts/sandbox-cleanup.sh b/hawkbit-runtime/.sandbox/scripts/sandbox-cleanup.sh
index cdc372f4d..492ebc2ef 100644
--- a/hawkbit-runtime/.sandbox/scripts/sandbox-cleanup.sh
+++ b/hawkbit-runtime/.sandbox/scripts/sandbox-cleanup.sh
@@ -34,8 +34,8 @@ echo "+-- Restart Docker Stack:"
 docker stack deploy -c /.sandbox/stacks/sandbox/docker-compose-stack.yml $STACK_NAME
 echo "|"
 # Value is based on trial and error
-echo "+-- Wait for hawkBit to start (320s):"
-sleep 320
+echo "+-- Wait for hawkBit to start (160s):"
+sleep 160
 echo "|"
 # Device Simulator has to be restarted, since hawkBit takes too long to start
 echo "+-- Restart Device Simulator:"
@@ -48,4 +48,4 @@ docker system prune --force
 echo "+------------------------------------------------------------------------------"
 echo "|  END:  $(date -u) "
 echo "\------------------------------------------------------------------------------"
-echo ""
\ No newline at end of file
+echo ""