diff --git a/gtk/gtk-keys.css.emacs b/gtk/gtk-keys.css.emacs
index 9dd624074c..6639e8d1de 100644
--- a/gtk/gtk-keys.css.emacs
+++ b/gtk/gtk-keys.css.emacs
@@ -59,6 +59,7 @@
                       "insert-at-cursor" (" ") };
   bind "<alt>KP_Space" { "delete-from-cursor" (whitespace, 1)
                          "insert-at-cursor" (" ")  };
+  bind "<alt>BackSpace" { "delete-from-cursor" (word-ends, -1) };
   /*
    * Some non-Emacs keybindings people are attached to
    */