diff --git a/devstack/samples/local.sh b/devstack/samples/local.sh
index 4d2fd9095..2f18f4b97 100755
--- a/devstack/samples/local.sh
+++ b/devstack/samples/local.sh
@@ -32,7 +32,7 @@ if is_service_enabled nova; then
     DEVSTACK_LBAAS_SSH_KEY=${DEVSTACK_LBAAS_SSH_KEY_DIR}/${DEVSTACK_LBAAS_SSH_KEY_NAME}
     rm -f ${DEVSTACK_LBAAS_SSH_KEY}.pub ${DEVSTACK_LBAAS_SSH_KEY}
     ssh-keygen -b 2048 -t rsa -f ${DEVSTACK_LBAAS_SSH_KEY} -N ""
-    nova keypair-add --pub_key=${DEVSTACK_LBAAS_SSH_KEY}.pub ${DEVSTACK_LBAAS_SSH_KEY_NAME}
+    nova keypair-add --pub-key=${DEVSTACK_LBAAS_SSH_KEY}.pub ${DEVSTACK_LBAAS_SSH_KEY_NAME}
 
     # Add tcp/22,80 and icmp to default security group
     nova secgroup-add-rule default tcp 22 22 0.0.0.0/0