diff --git a/lib/ace/keyboard/vim/commands.js b/lib/ace/keyboard/vim/commands.js
index 78dc4fa7..a9b24aa3 100644
--- a/lib/ace/keyboard/vim/commands.js
+++ b/lib/ace/keyboard/vim/commands.js
@@ -74,13 +74,13 @@ var actions = exports.actions = {
         fn: function(editor, range, count, param) {
             switch (param) {
                 case "z":
-                    editor.alignCursor(null, 0.5);
+                    editor.renderer.alignCursor(null, 0.5);
                     break;
                 case "t":
-                    editor.alignCursor(null, 0);
+                    editor.renderer.alignCursor(null, 0);
                     break;
                 case "b":
-                    editor.alignCursor(null, 1);
+                    editor.renderer.alignCursor(null, 1);
                     break;
             }
         }