diff --git a/make_post_sell/views/shop.py b/make_post_sell/views/shop.py
index e66a22c..de55d81 100644
--- a/make_post_sell/views/shop.py
+++ b/make_post_sell/views/shop.py
@@ -799,9 +799,7 @@ def shop_settings(request):
                 try:
                     validate_keys(shop.unsandbox_public_key, shop.unsandbox_secret_key)
                 except Exception as e:
-                    shop.unsandbox_public_key = None
-                    shop.unsandbox_secret_key = None
-                    request.session.flash((f"Unsandbox API keys are invalid or expired: {e}", "error"))
+                    request.session.flash((f"Unsandbox API keys are invalid or expired: {e}. Keys saved — fix or extend at unsandbox.com.", "error"))
                 else:
                     from ..lib.karaoke import backfill_karaoke_async
                     backfill_karaoke_async(