diff --git a/app/components/chat.module.scss b/app/components/chat.module.scss
index 597299994..32336e95d 100644
--- a/app/components/chat.module.scss
+++ b/app/components/chat.module.scss
@@ -430,7 +430,7 @@
 
 .chat-message-item {
   box-sizing: border-box;
-  max-width: 300px;
+  max-width: 100%;
   margin-top: 10px;
   border-radius: 10px;
   background-color: rgba(0, 0, 0, 0.05);