diff --git a/modules/ve-mw/ui/styles/widgets/ve.ui.MWAceEditorWidget.less b/modules/ve-mw/ui/styles/widgets/ve.ui.MWAceEditorWidget.less
index 41a12454ed..3feca2b2f5 100644
--- a/modules/ve-mw/ui/styles/widgets/ve.ui.MWAceEditorWidget.less
+++ b/modules/ve-mw/ui/styles/widgets/ve.ui.MWAceEditorWidget.less
@@ -38,6 +38,6 @@
 	}
 
 	&.oo-ui-widget-enabled.oo-ui-flaggedElement-invalid .ace_editor {
-		border-color: #d73333;
+		border-color: #b32424;
 	}
 }