diff --git a/bundle/bundle--defaults.el b/bundle/bundle--defaults.el
index 0a195870..2abf58b9 100644
--- a/bundle/bundle--defaults.el
+++ b/bundle/bundle--defaults.el
@@ -86,3 +86,9 @@
                  minor-mode-alist
                  mode-line-end-spaces "%-"
                  )))
+
+ ;; Set transparency of emacs
+ (defun transparency (value)
+   "Sets the transparency of the frame window. 0=transparent/100=opaque"
+   (interactive "nTransparency Value 0 - 100 opaque:")
+   (set-frame-parameter (selected-frame) 'alpha value))