diff --git a/lib/net.js b/lib/net.js
index 8256838b5bd88a..50c4a5cf3fd148 100644
--- a/lib/net.js
+++ b/lib/net.js
@@ -817,7 +817,7 @@ function connect(self, address, port, addressType, localAddress, localPort) {
   // TODO return promise from Socket.prototype.connect which
   // wraps _connectReq.
 
-  assert.ok(self.connecting);
+  assert(self.connecting);
 
   var err;
 
@@ -1065,7 +1065,7 @@ function afterConnect(status, handle, req, readable, writable) {
 
   debug('afterConnect');
 
-  assert.ok(self.connecting);
+  assert(self.connecting);
   self.connecting = false;
   self._sockname = null;