diff --git a/jquery.tagsinput.js b/jquery.tagsinput.js
index ac37870..7e4f8cd 100644
--- a/jquery.tagsinput.js
+++ b/jquery.tagsinput.js
@@ -222,10 +222,11 @@
 					}
 				});
 				//Delete last tag on backspace
-				data.removeWithBackspace && $(data.fake_input).bind('keyup', function(event)
+				data.removeWithBackspace && $(data.fake_input).bind('keydown', function(event)
 				{
 					if(event.keyCode == 8 && $(this).val() == '')
 					{
+						 event.preventDefault();
 						 var last_tag = $(this).closest('.tagsinput').find('.tag:last').text();
 						 var id = $(this).attr('id').replace(/_tag$/, '');
 						 last_tag = last_tag.replace(/[\s]+x$/, '');