diff --git a/src/core/wrapper/layout/sticky/sticky.horizontal.js b/src/core/wrapper/layout/sticky/sticky.horizontal.js
index afdf955aa..d88f28b6d 100644
--- a/src/core/wrapper/layout/sticky/sticky.horizontal.js
+++ b/src/core/wrapper/layout/sticky/sticky.horizontal.js
@@ -22,7 +22,7 @@ BI.HorizontalStickyLayout = BI.inherit(BI.FlexHorizontalLayout, {
         }
         if (columnSize !== "fill") {
             var fillIndex;
-            BI.count(0, o.items.length - 1, index => {
+            BI.count(0, o.items.length, index => {
                 if (BI.isNotNull(fillIndex)) {
                     return;
                 }