diff --git a/models/profile.js b/models/profile.js
index ffb6b58..56af12e 100644
--- a/models/profile.js
+++ b/models/profile.js
@@ -169,11 +169,11 @@ module.exports = {
 	allMessageImages: (e, profileId) => {
 		const promise = new Promise((resolve, reject) => {	
 			ProfileModel
-			  .aggregate(
-			    { $match: { _id: profileId } },
+			  .aggregate([
+			    { $match: { _id: Mongoose.Types.ObjectId(profileId) } },
 			    { $unwind: '$messages' },
 			    { $match: { 'messages.isUser': false, 'messages.image': { $exists: true } } }
-			  )
+			  ])
         .exec((err, result) => {
           if (err) {
             reject(err);