diff --git a/roles/bird/tasks/main.yml b/roles/bird/tasks/main.yml
index 2a744eb..ab01b04 100644
--- a/roles/bird/tasks/main.yml
+++ b/roles/bird/tasks/main.yml
@@ -4,7 +4,7 @@
   apt: package=bird
 
 - name: Enable IPv6 routing
-  sysctl: name=net.ipv6.ip_forward value=1 state=present
+  sysctl: name=net.ipv6.conf.all.forwarding value=1 state=present
 
 - name: Configure bird
   template: src=bird.conf.j2 dest=/etc/bird/bird.conf