diff --git a/src/ui/templates/popup/popup.less b/src/ui/templates/popup/popup.less
index 3d10fa3f1..f5fed2147 100644
--- a/src/ui/templates/popup/popup.less
+++ b/src/ui/templates/popup/popup.less
@@ -20,7 +20,7 @@
 	background: #fff;
 	position: absolute;
 	z-index: @zIndexPopup;
-	.box-shadow( 0 30px 90px -20px rgba( 0, 0, 0, 0.3 ), 0 0 1px 1px @borderColorPopup; );
+	box-shadow: 0 30px 90px -20px rgba( 0, 0, 0, 0.3 ), 0 0 1px 1px @borderColorPopup;
 	padding: 0;
 	display: none;
 	font-size: 14px;