diff --git a/stack.sh b/stack.sh
index 957bbd6..774c454 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1050,6 +1050,7 @@
     SERVICE_TOKEN=$SERVICE_TOKEN SERVICE_ENDPOINT=$SERVICE_ENDPOINT SERVICE_HOST=$SERVICE_HOST \
     S3_SERVICE_PORT=$S3_SERVICE_PORT KEYSTONE_CATALOG_BACKEND=$KEYSTONE_CATALOG_BACKEND \
     DEVSTACK_DIR=$TOP_DIR ENABLED_SERVICES=$ENABLED_SERVICES HEAT_API_CFN_PORT=$HEAT_API_CFN_PORT \
+    HEAT_API_PORT=$HEAT_API_PORT \
         bash -x $FILES/keystone_data.sh
 
     # Set up auth creds now that keystone is bootstrapped