diff --git a/src/api/models/othello-matching.ts b/src/api/models/othello-matching.ts
index 5cc39cae13..9c84d7fb9f 100644
--- a/src/api/models/othello-matching.ts
+++ b/src/api/models/othello-matching.ts
@@ -3,14 +3,14 @@ import deepcopy = require('deepcopy');
 import db from '../../db/mongodb';
 import { IUser, pack as packUser } from './user';
 
-const Matching = db.get<IMatching>('othello_matchings');
+const Matching = db.get<IMatching>('othelloMatchings');
 export default Matching;
 
 export interface IMatching {
 	_id: mongo.ObjectID;
-	created_at: Date;
-	parent_id: mongo.ObjectID;
-	child_id: mongo.ObjectID;
+	createdAt: Date;
+	parentId: mongo.ObjectID;
+	childId: mongo.ObjectID;
 }
 
 /**
diff --git a/src/api/models/poll-vote.ts b/src/api/models/poll-vote.ts
index af77a2643e..3e883f2137 100644
--- a/src/api/models/poll-vote.ts
+++ b/src/api/models/poll-vote.ts
@@ -1,3 +1,13 @@
+import * as mongo from 'mongodb';
 import db from '../../db/mongodb';
 
-export default db.get('poll_votes') as any; // fuck type definition
+const PollVote = db.get<IPollVote>('pollVotes');
+export default PollVote;
+
+export interface IPollVote {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	userId: mongo.ObjectID;
+	postId: mongo.ObjectID;
+	choice: number;
+}
diff --git a/tools/migration/shell.camel-case.js b/tools/migration/shell.camel-case.js
index 11c6fe401d..6045dfa00c 100644
--- a/tools/migration/shell.camel-case.js
+++ b/tools/migration/shell.camel-case.js
@@ -130,3 +130,20 @@ db.othelloGames.update({}, {
 	}
 }, false, true);
 
+db.othello_matchings.renameCollection('othelloMatchings');
+db.othelloMatchings.update({}, {
+	$rename: {
+		created_at: 'createdAt',
+		parent_id: 'parentId',
+		child_id: 'childId'
+	}
+}, false, true);
+
+db.poll_votes.renameCollection('pollVotes');
+db.pollVotes.update({}, {
+	$rename: {
+		created_at: 'createdAt',
+		user_id: 'userId',
+		post_id: 'postId'
+	}
+}, false, true);