diff --git a/app/portal/__init__.py b/app/portal/__init__.py
index 6d75eab..d4d9df2 100644
--- a/app/portal/__init__.py
+++ b/app/portal/__init__.py
@@ -6,6 +6,7 @@ from flask.typing import ResponseReturnValue
 from jinja2 import Markup
 from sqlalchemy import desc, or_
 
+from app.alarms import alarms_for
 from app.models.activity import Activity
 from app.models.alarms import Alarm, AlarmState
 from app.models.bridges import Bridge
@@ -91,7 +92,7 @@ def describe_brn(s: str) -> ResponseReturnValue:
 def total_origins_blocked() -> int:
     count = 0
     for o in Origin.query.filter(Origin.destroyed.is_(None)).all():
-        for a in o.alarms:
+        for a in alarms_for(o.brn):
             if a.aspect.startswith("origin-block-ooni-"):
                 if a.alarm_state == AlarmState.WARNING:
                     count += 1