diff --git a/lib/portfinder.js b/lib/portfinder.js
index 2bc65e2..0ab2f3e 100644
--- a/lib/portfinder.js
+++ b/lib/portfinder.js
@@ -141,10 +141,8 @@ exports.getPort = function (options, callback) {
     }
   }
 
-  if (options.host) {
-    if (exports._defaultHosts.indexOf(options.host) !== -1) {
-      exports._defaultHosts.push(options.host)
-    }
+  if (options.host && exports._defaultHosts.indexOf(options.host) === -1) {
+    exports._defaultHosts.push(options.host)
   }
 
   var openPorts = [], currentHost;