diff --git a/lib/ace/keyboard/keybinding/default_mac.js b/lib/ace/keyboard/keybinding/default_mac.js
index 778ecc65..46175a76 100644
--- a/lib/ace/keyboard/keybinding/default_mac.js
+++ b/lib/ace/keyboard/keybinding/default_mac.js
@@ -80,7 +80,7 @@ exports.bindings = {
     "selectlinestart": "Shift-Home",
     "selectlineend": "Shift-End",
     "del": "Delete",
-    "backspace": "Ctrl-Backspace|Command-Backspace|Option-Backspace|Backspace",
+    "backspace": "Ctrl-Backspace|Command-Backspace|Option-Backspace|Shift-Backspace|Backspace",
     "outdent": "Shift-Tab",
     "indent": "Tab"
 };
diff --git a/lib/ace/keyboard/keybinding/default_win.js b/lib/ace/keyboard/keybinding/default_win.js
index 507fb517..83f0eec2 100644
--- a/lib/ace/keyboard/keybinding/default_win.js
+++ b/lib/ace/keyboard/keybinding/default_win.js
@@ -80,7 +80,7 @@ exports.bindings = {
     "selectlinestart": "Shift-Home",
     "selectlineend": "Shift-End",
     "del": "Delete",
-    "backspace": "Backspace",
+    "backspace": "Ctrl-Backspace|Command-Backspace|Option-Backspace|Shift-Backspace|Backspace",
     "outdent": "Shift-Tab",
     "indent": "Tab"
 };