diff --git a/Oqtane.Client/Modules/Admin/ModuleCreator/Index.razor b/Oqtane.Client/Modules/Admin/ModuleCreator/Index.razor
index e003128e..bd5689f6 100644
--- a/Oqtane.Client/Modules/Admin/ModuleCreator/Index.razor
+++ b/Oqtane.Client/Modules/Admin/ModuleCreator/Index.razor
@@ -174,7 +174,7 @@ else
     private bool IsValid(string name)
     {
         // must contain letters, underscores and digits and first character must be letter or underscore
-        return !string.IsNullOrEmpty(name) && name.ToLower() != "module" && Regex.IsMatch(name, "^[A-Za-z_][A-Za-z0-9_]*$");
+		return !string.IsNullOrEmpty(name) && name.ToLower() != "module" && !name.ToLower().Contains("oqtane") && Regex.IsMatch(name, "^[A-Za-z_][A-Za-z0-9_]*$");
     }
 
     private void TemplateChanged(ChangeEventArgs e)
diff --git a/Oqtane.Client/Modules/Admin/ModuleDefinitions/Create.razor b/Oqtane.Client/Modules/Admin/ModuleDefinitions/Create.razor
index 78aac9fa..c1c50169 100644
--- a/Oqtane.Client/Modules/Admin/ModuleDefinitions/Create.razor
+++ b/Oqtane.Client/Modules/Admin/ModuleDefinitions/Create.razor
@@ -139,7 +139,7 @@
     private bool IsValid(string name)
     {
         // must contain letters, underscores and digits and first character must be letter or underscore
-        return !string.IsNullOrEmpty(name) && name.ToLower() != "module" && Regex.IsMatch(name, "^[A-Za-z_][A-Za-z0-9_]*$");
+		return !string.IsNullOrEmpty(name) && name.ToLower() != "module" && !name.ToLower().Contains("oqtane") && Regex.IsMatch(name, "^[A-Za-z_][A-Za-z0-9_]*$");
     }
 
     private void TemplateChanged(ChangeEventArgs e)
diff --git a/Oqtane.Client/Modules/Admin/Themes/Create.razor b/Oqtane.Client/Modules/Admin/Themes/Create.razor
index ef3ab372..e685e3e1 100644
--- a/Oqtane.Client/Modules/Admin/Themes/Create.razor
+++ b/Oqtane.Client/Modules/Admin/Themes/Create.razor
@@ -121,7 +121,7 @@
     private bool IsValid(string name)
     {
         // must contain letters, underscores and digits and first character must be letter or underscore
-        return !string.IsNullOrEmpty(name) && name.ToLower() != "theme" && Regex.IsMatch(name, "^[A-Za-z_][A-Za-z0-9_]*$");
+		return !string.IsNullOrEmpty(name) && name.ToLower() != "theme" && !name.ToLower().Contains("oqtane") && Regex.IsMatch(name, "^[A-Za-z_][A-Za-z0-9_]*$");
     }
 
     private void TemplateChanged(ChangeEventArgs e)