diff --git a/routes/qr_codes.py b/routes/qr_codes.py
index ac4a13c..be73d07 100644
--- a/routes/qr_codes.py
+++ b/routes/qr_codes.py
@@ -461,8 +461,8 @@ def edit_qr_code(qr_id):
             }
 
             # Update QR code fields
-            new_name = request.form['name']
-            qr_code.name = new_name
+            # Name is locked after creation — ignore any submitted value to preserve QR URL integrity
+            new_name = qr_code.name
 
             # --- ADDED: for dynamic QR codes, location/address are auto-managed ---
             new_qr_type = request.form.get('qr_type', 'standard')