diff --git a/modules.d/40network/ifup.sh b/modules.d/40network/ifup.sh
index 51b0d528..ede01883 100755
--- a/modules.d/40network/ifup.sh
+++ b/modules.d/40network/ifup.sh
@@ -364,7 +364,12 @@ fi
 
 # no ip option directed at our interface?
 if [ ! -e /tmp/net.${netif}.up ]; then
-    do_dhcp -4
+    if getargs 'ip=dhcp6'; then
+        load_ipv6
+        do_dhcp -6
+    else
+        do_dhcp -4
+    fi
 fi
 
 exit 0