diff --git a/step2-run-docker.sh b/step2-run-docker.sh
index afc8b26..d973c09 100644
--- a/step2-run-docker.sh
+++ b/step2-run-docker.sh
@@ -5,4 +5,4 @@
 # optional parameter: non-default script
 #
 
-docker run -it --rm hellen-one $1
+docker run -t --rm hellen-one $1