diff --git a/packages/server/src/routes/federation.peeringNotifications.test.ts b/packages/server/src/routes/federation.peeringNotifications.test.ts
index 9938de33..02ac0027 100644
--- a/packages/server/src/routes/federation.peeringNotifications.test.ts
+++ b/packages/server/src/routes/federation.peeringNotifications.test.ts
@@ -195,7 +195,6 @@ describe('GET /api/federation/peering-notifications', () => {
     const body = response.json() as {
       notifications: Array<{
         id: string;
-        userId: string;
         kind: string;
         peerOrigin: string;
         triggerReason: string;
@@ -211,7 +210,6 @@ describe('GET /api/federation/peering-notifications', () => {
     // Shape check on the newest row.
     expect(body.notifications[0]).toEqual({
       id: 'notif-new',
-      userId: 'alice',
       kind: 'denied',
       peerOrigin: 'https://other.example',
       triggerReason: 'space_join',
@@ -299,10 +297,11 @@ describe('GET /api/federation/peering-notifications', () => {
     });
 
     expect(response.statusCode).toBe(200);
-    const body = response.json() as { notifications: Array<{ id: string; userId: string }> };
+    const body = response.json() as { notifications: Array<{ id: string }> };
     expect(body.notifications).toHaveLength(1);
+    // Alice's row comes back (isolation: bob-notif is excluded by userId filter
+    // in the WHERE clause; the response shape itself no longer surfaces userId).
     expect(body.notifications[0]!.id).toBe('alice-notif');
-    expect(body.notifications[0]!.userId).toBe('alice');
   });
 });
 
diff --git a/packages/server/src/routes/federation.ts b/packages/server/src/routes/federation.ts
index 8acf51d2..e77fa108 100644
--- a/packages/server/src/routes/federation.ts
+++ b/packages/server/src/routes/federation.ts
@@ -1873,7 +1873,15 @@ export async function federationRoutes(app: FastifyInstance): Promise<void> {
         : eq(schema.peerApprovalNotifications.userId, userId);
 
       const notifications = db
-        .select()
+        .select({
+          id: schema.peerApprovalNotifications.id,
+          kind: schema.peerApprovalNotifications.kind,
+          peerOrigin: schema.peerApprovalNotifications.peerOrigin,
+          triggerReason: schema.peerApprovalNotifications.triggerReason,
+          triggerTarget: schema.peerApprovalNotifications.triggerTarget,
+          createdAt: schema.peerApprovalNotifications.createdAt,
+          readAt: schema.peerApprovalNotifications.readAt,
+        })
         .from(schema.peerApprovalNotifications)
         .where(whereClause)
         .orderBy(desc(schema.peerApprovalNotifications.createdAt))