diff --git a/src/wp/InAppBrowser.cs b/src/wp/InAppBrowser.cs
index 454464de3..87241bbcf 100644
--- a/src/wp/InAppBrowser.cs
+++ b/src/wp/InAppBrowser.cs
@@ -51,7 +51,7 @@ public void open(string options)
             //BrowserOptions opts = JSON.JsonHelper.Deserialize<BrowserOptions>(options);
             string urlLoc = args[0];
             string target = args[1];
-            string featString = args[2];
+            string featString = args[2] != null ? args[2] : "";
 
             string[] features = featString.Split(',');
             foreach (string str in features)