diff --git a/ktvmanager/config.py b/ktvmanager/config.py
index 94c243c..13efe41 100644
--- a/ktvmanager/config.py
+++ b/ktvmanager/config.py
@@ -23,6 +23,7 @@ ICQ0s1x364rGswAcVVJuu8q5XgZQrBLk/lkhQBcyyuuAjc4OvJLADqEk
 MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE2b175VdEMr874DnbBDErdO5+aoGw
 ZyAkNLNcd+uKxrMAHFVSbrvKuV4GUKwS5P5ZIUAXMsrrgI3ODrySwA6hJA==
 -----END PUBLIC KEY-----"""
+    VAPID_CLAIM_EMAIL = "mailto:karl@k-world.me.uk"  # Replace with your email
     SECRET_KEY = "a_very_secret_key"
 
 class DevelopmentConfig(Config):
diff --git a/routes/api.py b/routes/api.py
index 61a79aa..e60b200 100644
--- a/routes/api.py
+++ b/routes/api.py
@@ -193,7 +193,7 @@ def send_notification(subscription_info, message_body):
             subscription_info=subscription_info,
             data=message_body,
             vapid_private_key=current_app.config["VAPID_PRIVATE_KEY"],
-            vapid_claims={"sub": "mailto:your-email@example.com"},
+            vapid_claims={"sub": current_app.config["VAPID_CLAIM_EMAIL"]},
         )
     except WebPushException as ex:
         print(f"Web push error: {ex}")