diff --git a/src/Business/Grand.Business.Core/Extensions/AffiliateExtensions.cs b/src/Business/Grand.Business.Core/Extensions/AffiliateExtensions.cs
index 049e0617e..700de876c 100644
--- a/src/Business/Grand.Business.Core/Extensions/AffiliateExtensions.cs
+++ b/src/Business/Grand.Business.Core/Extensions/AffiliateExtensions.cs
@@ -55,7 +55,8 @@ public static string GenerateUrl(this Affiliate affiliate, string host)
                 query["affiliate"] = affiliate.FriendlyUrlName;
             else
                 query["affiliateid"] = affiliate.Id;
-
+            
+            uriBuilder.Port = -1;
             uriBuilder.Query = query.ToString();
             return uriBuilder.ToString(); 
         }