diff --git a/lib/ace/keyboard/vim/commands.js b/lib/ace/keyboard/vim/commands.js
index 795eafc8..dd3357d6 100644
--- a/lib/ace/keyboard/vim/commands.js
+++ b/lib/ace/keyboard/vim/commands.js
@@ -84,16 +84,16 @@ var actions = exports.actions = {
                     editor.renderer.alignCursor(null, 1);
                     break;
                 case "c":
-                    coreCommands.fold();
+                    editor.session.onFoldWidgetClick(range.start.row, {domEvent:{target :{}}});
                     break;
                 case "o":
-                    coreCommands.unfold();
+                    editor.session.onFoldWidgetClick(range.start.row, {domEvent:{target :{}}});
                     break;
                 case "C":
-                    coreCommands.foldall();
+                    editor.session.foldAll();
                     break;
                 case "O":
-                    coreCommands.unfoldall();
+                    editor.session.unfold();
                     break;
             }
         }