diff --git a/aurweb/routers/pkgbase.py b/aurweb/routers/pkgbase.py
index b014ddc5..3ec009e5 100644
--- a/aurweb/routers/pkgbase.py
+++ b/aurweb/routers/pkgbase.py
@@ -145,11 +145,13 @@ async def pkgbase_flag_post(request: Request, name: str,
 
     has_cred = request.user.has_credential(creds.PKGBASE_FLAG)
     if has_cred and not pkgbase.OutOfDateTS:
+        notif = notify.FlagNotification(request.user.ID, pkgbase.ID)
         now = time.utcnow()
         with db.begin():
             pkgbase.OutOfDateTS = now
             pkgbase.Flagger = request.user
             pkgbase.FlaggerComment = comments
+        notif.send()
 
     return RedirectResponse(f"/pkgbase/{name}",
                             status_code=HTTPStatus.SEE_OTHER)
diff --git a/test/test_pkgbase_routes.py b/test/test_pkgbase_routes.py
index 0287a026..1bd3e524 100644
--- a/test/test_pkgbase_routes.py
+++ b/test/test_pkgbase_routes.py
@@ -836,6 +836,9 @@ def test_pkgbase_flag(client: TestClient, user: User, maintainer: User,
     assert pkgbase.Flagger == user
     assert pkgbase.FlaggerComment == "Test"
 
+    # Should've gotten a FlagNotification.
+    assert Email.count() == 1
+
     # Now, let's check the /pkgbase/{name}/flag-comment route.
     flag_comment_endpoint = f"/pkgbase/{pkgbase.Name}/flag-comment"
     with client as request: