diff --git a/transformers/engine.io/client.js b/transformers/engine.io/client.js
index e195da04..75914319 100644
--- a/transformers/engine.io/client.js
+++ b/transformers/engine.io/client.js
@@ -32,7 +32,10 @@ module.exports = function client() {
     if (socket) socket.close();
 
     socket = factory(primus.uri('ws', true), {
-      path: this.pathname
+      path: this.pathname,
+      transports: !primus.AVOID_WEBSOCKETS
+        ? ['polling', 'websocket']
+        : ['polling']
     });
 
     //
diff --git a/transformers/sockjs/client.js b/transformers/sockjs/client.js
index 120793e8..a6c76782 100644
--- a/transformers/sockjs/client.js
+++ b/transformers/sockjs/client.js
@@ -32,7 +32,9 @@ module.exports = function client() {
   primus.on('outgoing::open', function opening() {
     if (socket) socket.close();
 
-    socket = new Factory(primus.uri('http', false));
+    socket = new Factory(primus.uri('http', false), null, {
+      websocket: !primus.AVOID_WEBSOCKETS
+    });
 
     //
     // Setup the Event handlers.