diff --git a/src/vs/workbench/contrib/chat/browser/media/chat.css b/src/vs/workbench/contrib/chat/browser/media/chat.css
index 0b9e491a7d265..abc8acd7da508 100644
--- a/src/vs/workbench/contrib/chat/browser/media/chat.css
+++ b/src/vs/workbench/contrib/chat/browser/media/chat.css
@@ -1660,6 +1660,11 @@ have to be updated for changes to the rules above, or to support more deeply nes
 	user-select: none;
 	outline: none;
 	border: none;
+	white-space: nowrap;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	max-width: 100%;
+	display: inline-block;
 }
 
 .chat-attached-context-attachment.show-file-icons.warning .chat-attached-context-custom-text {