diff --git a/models/comment.js b/models/comment.js
index b2bd0367c..3f9ae1a65 100644
--- a/models/comment.js
+++ b/models/comment.js
@@ -201,7 +201,7 @@ CommentSchema.statics.findByActionType = (action_type) => Action
  * @return {Promise}
  */
 CommentSchema.statics.findIdsByActionType = (action_type) => Action
-  .findCommentsIdByActionType(action_type, 'comment')
+  .findCommentsIdByActionType(action_type, 'comments')
   .then((actions) => actions.map(a => a.item_id));
 
 /**
diff --git a/tests/models/comment.js b/tests/models/comment.js
index 363fd9222..91f51ccb8 100644
--- a/tests/models/comment.js
+++ b/tests/models/comment.js
@@ -73,12 +73,12 @@ describe('models.Comment', () => {
   const actions = [{
     action_type: 'flag',
     item_id: '3',
-    item_type: 'comment',
+    item_type: 'comments',
     user_id: '123'
   }, {
     action_type: 'like',
     item_id: '1',
-    item_type: 'comment',
+    item_type: 'comments',
     user_id: '456'
   }];
 
diff --git a/tests/routes/api/comments/index.js b/tests/routes/api/comments/index.js
index 59160a36f..360daa5dc 100644
--- a/tests/routes/api/comments/index.js
+++ b/tests/routes/api/comments/index.js
@@ -58,11 +58,11 @@ describe('/api/v1/comments', () => {
     const actions = [{
       action_type: 'flag',
       item_id: 'abc',
-      item_type: 'comment'
+      item_type: 'comments'
     }, {
       action_type: 'like',
       item_id: 'hij',
-      item_type: 'comment'
+      item_type: 'comments'
     }];
 
     beforeEach(() => {