diff --git a/templates/bird2/peer.conf.j2 b/templates/bird2/peer.conf.j2
index dc8159d..3afe393 100644
--- a/templates/bird2/peer.conf.j2
+++ b/templates/bird2/peer.conf.j2
@@ -1,4 +1,4 @@
-{% if peer.v4 is defined and not peer.bgp4o6 | default('false') %}
+{% if peer.v4 is defined and not peer.bgp4o6 is defined %}
 protocol bgp {{ peer.name }} from dnpeers {
   neighbor {{ peer.v4 }} as {{ peer.as }};
 };