diff --git a/src/rzslider.less b/src/rzslider.less
index ffa53c7..0b72a2d 100644
--- a/src/rzslider.less
+++ b/src/rzslider.less
@@ -141,7 +141,7 @@
 
   .rz-ticks-values-under {
     .rz-tick-value {
-      top: initial;
+      top: auto;
       bottom: @ticksValuePosition - 2;
     }
   }