diff --git a/bootstrap.sh b/bootstrap.sh
index 9ce989e..19b9dbc 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -27,7 +27,7 @@ if [ -n "${NAMESERVER}" ]; then
   echo "Nameserver is: ${NAMESERVER}"
 
   echo "Patching nginx config"
-  sed -i "s/resolver.*/resolver ${NAMESERVER};/" "${NGX_CONF}"
+  sed -i "s/resolver.*/resolver ${NAMESERVER} ipv6=off;/" "${NGX_CONF}"
 fi
 
 echo "Using nginx config:"