diff --git a/resources/mmv/ui/mmv.ui.truncatableTextField.less b/resources/mmv/ui/mmv.ui.truncatableTextField.less
index 0fca9cc6f..d5f06ac23 100644
--- a/resources/mmv/ui/mmv.ui.truncatableTextField.less
+++ b/resources/mmv/ui/mmv.ui.truncatableTextField.less
@@ -42,7 +42,7 @@
 		background-repeat: no-repeat;
 		/* @embed */
 		background-image: url( img/ellipsis_lightgray.svg );
-		.box-shadow( -4px 6px 0 0 #fff );
+		box-shadow: -4px 6px 0 0 #fff;
 
 		// Hovering over .mw-mmv-ttf-ellipsis-container will make the ellipsis more visible to attract
 		// attention to it. Since it has to be set on a parent element which is not under control of