diff --git a/test-data-generator/Dockerfile b/test-data-generator/Dockerfile
index 07c64da50..72754a26a 100644
--- a/test-data-generator/Dockerfile
+++ b/test-data-generator/Dockerfile
@@ -36,4 +36,4 @@ ADD ./target/${JAR_FILE} /opt/test-data-generator.jar
 ADD send-plans-and-events-docker.sh /opt/send-plans-and-events-docker.sh
 
 ENTRYPOINT ["sh", "/opt/send-plans-and-events-docker.sh"]
-CMD "--help"
+CMD ["--help"]