diff --git a/gp-scripts/brick-do.sh b/gp-scripts/brick-do.sh
index 5fec8a8..5157660 100644
--- a/gp-scripts/brick-do.sh
+++ b/gp-scripts/brick-do.sh
@@ -13,6 +13,7 @@ brick_list() {
   VOLUME="${1}"
   if [ "${VOLUME}" == "" ]; then
      echo "No volume given."
+     show_help
      return 1
   fi
 
@@ -26,6 +27,7 @@ brick_list() {
 execute_command() {
   if [ "${COMMAND}" == "" ]; then
     echo "No command given."
+    show_help
     return 1
   fi