diff --git a/lib/core/connection/connect.js b/lib/core/connection/connect.js
index 1d09ceb7c0..46c0b9edd9 100644
--- a/lib/core/connection/connect.js
+++ b/lib/core/connection/connect.js
@@ -35,7 +35,7 @@ function connect(options, callback) {
 
   return makeConnection(6, options, (err, ipv6Socket) => {
     if (err) {
-      makeConnection(4, options, (err, ipv4Socket) => {
+      makeConnection(0, options, (err, ipv4Socket) => {
         if (err) {
           callback(err, ipv4Socket); // in the error case, `ipv4Socket` is the originating error event name
           return;