diff --git a/lib/ace/keyboard/textinput.js b/lib/ace/keyboard/textinput.js
index e23fa565..e7fbab5b 100644
--- a/lib/ace/keyboard/textinput.js
+++ b/lib/ace/keyboard/textinput.js
@@ -387,7 +387,7 @@ var TextInput = function(parentNode, host) {
         inComposition = false;
         var timer = setTimeout(function() {
             var str = text.value.replace(/\x01/g, "");
-            console.log(str, c.lastValue)
+            // console.log(str, c.lastValue)
             if (inComposition)
                 return
             else if (str == c.lastValue)
@@ -403,10 +403,8 @@ var TextInput = function(parentNode, host) {
             str = str.replace(/\x01/g, "");
             if (str == c.lastValue)
                 return "";
-            if (str) {
-                if (c.lastValue)
-                    host.undo();
-            }
+            if (c.lastValue)
+                host.undo();
             return str;
         }        
         host.onCompositionEnd();