diff --git a/src/js/core/directives/ui-grid-render-container.js b/src/js/core/directives/ui-grid-render-container.js
index 6ee28527a5..02044d89b2 100644
--- a/src/js/core/directives/ui-grid-render-container.js
+++ b/src/js/core/directives/ui-grid-render-container.js
@@ -148,9 +148,9 @@
                 scrollEvent.x = { percentage: scrollXPercentage, pixels: scrollXAmount };
               }
 
-              // todo: this isn't working when scrolling down.  it works fine for up.  tested on Chrome
+
               // Let the parent container scroll if the grid is already at the top/bottom
-              if ((scrollEvent.y && scrollEvent.y.percentage !== 0 && scrollEvent.y.percentage !== 1) ||
+              if ((scrollEvent.y && scrollEvent.y.percentage !== 0 && scrollEvent.y.percentage !== 1 && containerCtrl.viewport[0].scrollTop !== 0  ) ||
                  (scrollEvent.x && scrollEvent.x.percentage !== 0 && scrollEvent.x.percentage !== 1)) {
 
                   event.preventDefault();