diff --git a/stack.sh b/stack.sh
index c0763d4..0e13182 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1156,9 +1156,9 @@
     add_nova_flag "--xenapi_connection_url=http://169.254.0.1"
     add_nova_flag "--xenapi_connection_username=root"
     add_nova_flag "--xenapi_connection_password=$XENAPI_PASSWORD"
-    add_nova_flag "--flat_injected=False"
+    add_nova_flag "--noflat_injected"
     add_nova_flag "--flat_interface=eth1"
-    add_nova_flag "--flat_network_bridge=xenbr1"
+    add_nova_flag "--flat_network_bridge=xapi1"
     add_nova_flag "--public_interface=eth3"
 else
     add_nova_flag "--flat_network_bridge=$FLAT_NETWORK_BRIDGE"