diff --git a/Components/Pages/Profiles.razor b/Components/Pages/Profiles.razor
index 4149ce1..cf665fb 100644
--- a/Components/Pages/Profiles.razor
+++ b/Components/Pages/Profiles.razor
@@ -393,7 +393,10 @@
 
         if (_editing == null)
         {
-            _form.Id = Guid.NewGuid().ToString();
+            // Keep the Id assigned by the TenantProfile constructor. "Register app" may have
+            // already provisioned the cert and stored it on disk under this Id; reassigning a
+            // fresh Guid here would orphan that cert file and make the UI re-prompt for upload.
+            if (string.IsNullOrEmpty(_form.Id)) _form.Id = Guid.NewGuid().ToString();
             _profiles.Add(_form);
         }
         else