diff --git a/modules/styles/mw.echo.ui.mobile.less b/modules/styles/mw.echo.ui.mobile.less
index 54b9562f6..12fbee68f 100644
--- a/modules/styles/mw.echo.ui.mobile.less
+++ b/modules/styles/mw.echo.ui.mobile.less
@@ -2,7 +2,7 @@
 
 // `!important` rules override the inline styles provides by clippable.
 @media all and ( max-width: @width-breakpoint-tablet ) {
-	.mw-echo-ui-overlay {
+	.skin-minerva .mw-echo-ui-overlay {
 		.oo-ui-clippableElement-clippable {
 			width: 100% !important;
 		}