diff --git a/ui/index.html b/ui/index.html
index adc44b2a..2f6e5936 100755
--- a/ui/index.html
+++ b/ui/index.html
@@ -321,7 +321,7 @@ var KEYBOARD_CONFIG = {
 		// marking...
 		// XXX not final, think of a better way to do this...
 		I: {
-				shift: function(){ invertImageMarks() },
+				ctrl: function(){ invertImageMarks() },
 			},
 		A: {
 				shift: function(){ toggleImageMarkBlock() },