diff --git a/webapp/components/create_comment.jsx b/webapp/components/create_comment.jsx
index a0a4ddcd2d..e8378da2cf 100644
--- a/webapp/components/create_comment.jsx
+++ b/webapp/components/create_comment.jsx
@@ -123,7 +123,7 @@ export default class CreateComment extends React.Component {
 
         MessageHistoryStore.storeMessageInHistory(message);
 
-        if (message.trim().length === 0 && this.state.previews.length === 0) {
+        if (message.trim().length === 0 && this.state.fileInfos.length === 0) {
             return;
         }