diff --git a/zproject/sentry.py b/zproject/sentry.py
index 54ff572b60..9a2a03bb84 100644
--- a/zproject/sentry.py
+++ b/zproject/sentry.py
@@ -1,11 +1,25 @@
+from typing import TYPE_CHECKING, Optional
+
 import sentry_sdk
 from sentry_sdk.integrations import Integration
 from sentry_sdk.integrations.django import DjangoIntegration
 from sentry_sdk.integrations.redis import RedisIntegration
 from sentry_sdk.integrations.sqlalchemy import SqlalchemyIntegration
+from sentry_sdk.utils import capture_internal_exceptions
 
 from .config import PRODUCTION
 
+if TYPE_CHECKING:
+    from sentry_sdk._types import Event, Hint
+
+def add_context(event: 'Event', hint: 'Hint') -> 'Event':
+    from zerver.models import get_user_profile_by_id
+    with capture_internal_exceptions():
+        user_info = event.get("user", {})
+        if user_info.get("id"):
+            user_profile = get_user_profile_by_id(user_info["id"])
+            user_info["realm"] = user_profile.realm.string_id or 'root'
+    return event
 
 def setup_sentry(dsn: Optional[str], *integrations: Integration) -> None:
     if not dsn:
@@ -19,4 +33,5 @@ def setup_sentry(dsn: Optional[str], *integrations: Integration) -> None:
             SqlalchemyIntegration(),
             *integrations,
         ],
+        before_send=add_context,
     )