diff --git a/lib/ace/virtual_renderer.js b/lib/ace/virtual_renderer.js
index c91f652b..d51c1cb1 100644
--- a/lib/ace/virtual_renderer.js
+++ b/lib/ace/virtual_renderer.js
@@ -734,7 +734,7 @@ var VirtualRenderer = function(container, theme) {
         this.session.setScrollTop(row * this.lineHeight);
     };
 
-    this.STEPS = 7;
+    this.STEPS = 8;
     this.$calcSteps = function(fromValue, toValue){
         var i = 0;
         var l = this.STEPS;