diff --git a/lib/ace/commands/default_commands.js b/lib/ace/commands/default_commands.js
index c5d34aae..d018e8bd 100644
--- a/lib/ace/commands/default_commands.js
+++ b/lib/ace/commands/default_commands.js
@@ -415,7 +415,7 @@ exports.commands = [{
     readOnly: true
 }, {
     name: "passKeysToBrowser",
-    bindKey: bindKey("null", "null"),
+    bindKey: bindKey(null, null),
     exec: function() {},
     passEvent: true,
     readOnly: true
diff --git a/lib/ace/edit_session/folding.js b/lib/ace/edit_session/folding.js
index a86c27ce..53071dda 100644
--- a/lib/ace/edit_session/folding.js
+++ b/lib/ace/edit_session/folding.js
@@ -794,7 +794,7 @@ function Folding() {
             this.foldAll(startRow, endRow, options.all ? 10000 : 0);
         } else if (options.children) {
             endRow = range ? range.end.row : this.getLength();
-            this.foldAll(row + 1, range.end.row, options.all ? 10000 : 0);
+            this.foldAll(row + 1, endRow, options.all ? 10000 : 0);
         } else if (range) {
             if (options.all) 
                 range.collapseChildren = 10000;