1 files changed, 5 insertions, 2 deletions
diff --git a/web/react/components/create_comment.jsx b/web/react/components/create_comment.jsx
index 1de768872..94b6e1b7f 100644
--- a/web/react/components/create_comment.jsx
+++ b/web/react/components/create_comment.jsx
@@ -105,14 +105,17 @@ module.exports = React.createClass({
             this.lastTime = t;
         }
     },
-    handleUserInput: function(messageText) {
+    handleUserInput: function(message) {
+        var messageText = utils.truncateText(message);
+        var newPostError = utils.checkMessageLengthError(messageText, this.state.postError, 'Comment length cannot exceed ' + Constants.MAX_POST_LEN + ' characters');
+
         var draft = PostStore.getCommentDraft(this.props.rootId);
         draft.message = messageText;
         PostStore.storeCommentDraft(this.props.rootId, draft);
 
         $('.post-right__scroll').scrollTop($('.post-right__scroll')[0].scrollHeight);
         $('.post-right__scroll').perfectScrollbar('update');
-        this.setState({messageText: messageText});
+        this.setState({messageText: messageText, postError: newPostError});
     },
     handleUploadStart: function(clientIds, channelId) {
         var draft = PostStore.getCommentDraft(this.props.rootId);