diff --git a/conf.d/docker b/conf.d/docker
index ae247c0..c9bc6ef 100644
--- a/conf.d/docker
+++ b/conf.d/docker
@@ -10,4 +10,4 @@
 #DOCKER_BINARY="/usr/bin/docker"
 
 # any other random options you want to pass to docker
-DOCKER_OPTS=""
+DOCKER_OPTS="--ipv6"