diff --git a/CefSharp/WebBrowserExtensions.cs b/CefSharp/WebBrowserExtensions.cs
index c628d9b1ae..6cef046d15 100644
--- a/CefSharp/WebBrowserExtensions.cs
+++ b/CefSharp/WebBrowserExtensions.cs
@@ -364,6 +364,9 @@ public static void LoadUrlWithPostData(this IWebBrowser browser, string url, byt
 
                 request.Url = url;
                 request.Method = "POST";
+                //Add AllowCachedCredentials as per suggestion linked in
+                //https://github.com/cefsharp/CefSharp/issues/2705#issuecomment-476819788
+                request.Flags = UrlRequestFlags.AllowCachedCredentials;
 
                 request.PostData.AddData(postDataBytes);