diff --git a/devicemodel/samples/apl-mrb/launch_uos.sh b/devicemodel/samples/apl-mrb/launch_uos.sh
index c2be65a96..22e0da5a2 100755
--- a/devicemodel/samples/apl-mrb/launch_uos.sh
+++ b/devicemodel/samples/apl-mrb/launch_uos.sh
@@ -465,7 +465,7 @@ echo "'#runc exec <vmname> bash' to login the container bash"
 exit
 }
 
-while getopts "V:M:hd:C" opt
+while getopts "V:M:hdC" opt
 do
 	case $opt in
 		V) launch_type=$[$OPTARG]