diff --git "a/src/api/routes/channels/\043channel_id/messages/pins/index.ts" "b/src/api/routes/channels/\043channel_id/messages/pins/index.ts"
index e7771ac..cab2c9a 100644
--- "a/src/api/routes/channels/\043channel_id/messages/pins/index.ts"
+++ "b/src/api/routes/channels/\043channel_id/messages/pins/index.ts"
@@ -190,9 +190,10 @@
             },
             order: { pinned_at: "DESC" },
         });
+        await Message.fillReplies(pins);
 
         const items = pins.map((message: Message) => ({
-            message,
+            message: message.toJSON(),
             pinned_at: message.pinned_at,
         }));
 
diff --git "a/src/api/routes/channels/\043channel_id/pins.ts" "b/src/api/routes/channels/\043channel_id/pins.ts"
index 899d2d4..9adf6e5 100644
--- "a/src/api/routes/channels/\043channel_id/pins.ts"
+++ "b/src/api/routes/channels/\043channel_id/pins.ts"
@@ -191,8 +191,9 @@
             },
             order: { pinned_at: "DESC" },
         });
+        await Message.fillReplies(pins);
 
-        res.send(pins);
+        res.send(pins.map((_) => _.toJSON()));
     },
 );