diff --git a/lib/ace/commands/default_commands.js b/lib/ace/commands/default_commands.js
index 7a40b316..7fbe610f 100644
--- a/lib/ace/commands/default_commands.js
+++ b/lib/ace/commands/default_commands.js
@@ -325,7 +325,7 @@ canon.addCommand({
 });
 canon.addCommand({
     name: "removewordleft",
-    bindKey: bindKey(null, "Alt-Backspace|Ctrl-Alt-Backspace"),
+    bindKey: bindKey("Ctrl-Backspace", "Alt-Backspace|Ctrl-Alt-Backspace"),
     exec: function(env, args, request) { env.editor.removeWordLeft(); }
 });
 canon.addCommand({