diff --git a/bundle/bundle--mk.el b/bundle/bundle--mk.el
index ab64fb90..3ab15626 100644
--- a/bundle/bundle--mk.el
+++ b/bundle/bundle--mk.el
@@ -528,7 +528,7 @@ an ALIAS and SERVICE as arguments and call
   (interactive)
   (set-frame-size (selected-frame) 92 58))
 
-(global-set-key (kbd "C-<f12>") #'mk/set-frame-size-85x50)
+(global-set-key (kbd "M-<f11>") #'mk/set-frame-size-85x50)
 
 (defun shell-new-bottom ()
   "Open a shell window in the bottom third of the current window."