diff --git a/WebsitePanel/Sources/WebsitePanel.WebPortal/DesktopModules/WebsitePanel/DomainsAddDomain.ascx.cs b/WebsitePanel/Sources/WebsitePanel.WebPortal/DesktopModules/WebsitePanel/DomainsAddDomain.ascx.cs
index 6158be2b..6c6b0dc0 100644
--- a/WebsitePanel/Sources/WebsitePanel.WebPortal/DesktopModules/WebsitePanel/DomainsAddDomain.ascx.cs
+++ b/WebsitePanel/Sources/WebsitePanel.WebPortal/DesktopModules/WebsitePanel/DomainsAddDomain.ascx.cs
@@ -157,6 +157,8 @@ namespace WebsitePanel.Portal
 
 			// allow sub-domains
 			AllowSubDomainsPanel.Visible = (type == DomainType.Domain) && PanelSecurity.EffectiveUser.Role != UserRole.User;
+
+		    CheckForCorrectIdnDomainUsage(DomainName.Text);
 		}
 
 		private DomainType GetDomainType(string typeName)