diff --git a/src/definitions/modules/sidebar.less b/src/definitions/modules/sidebar.less
index 77839bb9e..b905f454d 100755
--- a/src/definitions/modules/sidebar.less
+++ b/src/definitions/modules/sidebar.less
@@ -85,7 +85,7 @@
      Fixed
 ---------------*/
 
-.pushable > .ui.fixed {
+.pushable > .fixed {
   position: fixed;
   transition: transform @duration @easing;
   z-index: @fixedLayer;