diff --git a/modules/ooui/styles/mw.echo.ui.NotificationItemWidget.less b/modules/ooui/styles/mw.echo.ui.NotificationItemWidget.less
index 4c8db7345..71eb16c06 100644
--- a/modules/ooui/styles/mw.echo.ui.NotificationItemWidget.less
+++ b/modules/ooui/styles/mw.echo.ui.NotificationItemWidget.less
@@ -58,6 +58,8 @@
 						// a very specific selector
 						font-weight: normal !important;
 						color: #000 !important;
+						// Set max-width so buttons are truncated
+						max-width: 15em;
 					}
 
 					.oo-ui-iconElement-icon {