diff --git a/bigbluebutton-html5/imports/ui/components/app/component.jsx b/bigbluebutton-html5/imports/ui/components/app/component.jsx
index b958607b2ac56863c791dc74894bf392639f03b9..b910edf0f61111a65175579b5453d0b6e33f981a 100755
--- a/bigbluebutton-html5/imports/ui/components/app/component.jsx
+++ b/bigbluebutton-html5/imports/ui/components/app/component.jsx
@@ -224,7 +224,7 @@ class App extends Component {
 
     // Variables for resizing chat.
     const CHAT_MIN_WIDTH_PX = 180;
-    const CHAT_MAX_WIDTH_PX = 310;
+    const CHAT_MAX_WIDTH_PX = 600;
     const CHAT_DEFAULT_WIDTH_RELATIVE = 25;
 
     // decide whether using pixel or percentage unit as a default width for chat