diff --git a/Oqtane.Client/UI/ThemeBuilder.razor b/Oqtane.Client/UI/ThemeBuilder.razor
index 769add2e..f32c0982 100644
--- a/Oqtane.Client/UI/ThemeBuilder.razor
+++ b/Oqtane.Client/UI/ThemeBuilder.razor
@@ -72,7 +72,7 @@
while (index >= 0)
{
var element = content.Substring(index, content.IndexOf(">", index) - index + 1);
- if (!string.IsNullOrEmpty(element) && !element.ToLower().StartsWith("", index) + 9 - index);
- index = headcontent.IndexOf("