diff --git a/lib/ace/keyboard/emacs.js b/lib/ace/keyboard/emacs.js
index 8d6b8985..5e07fb60 100644
--- a/lib/ace/keyboard/emacs.js
+++ b/lib/ace/keyboard/emacs.js
@@ -236,9 +236,10 @@ exports.handler.handleKeyboard = function(data, hashId, key, keyCode) {
 
     // CTRL + number / universalArgument for setting data.count
     if (modifier == "c-" || data.universalArgument) {
+        var prevCount = String(data.count || 0);
         var count = parseInt(key[key.length - 1]);
-        if (count) {
-            data.count = count;
+        if (typeof count === 'number' && !isNaN(count)) {
+            data.count = parseInt(prevCount + count);
             return {command: "null"};
         } else if (data.universalArgument) {
             // if no number pressed use emacs defaults for universalArgument