diff --git a/lib/term.js b/lib/term.js
index 91c92684..74a73911 100644
--- a/lib/term.js
+++ b/lib/term.js
@@ -1039,7 +1039,7 @@ Terminal.prototype.refresh = function(start, end) {
           if (ch <= ' ') {
             out += '&nbsp;';
           } else {
-            // if (wideChars.test(ch)) i++;
+            // if (ch > '\uff00' && wideChars.test(ch)) i++;
             out += ch;
           }
           break;
@@ -1242,7 +1242,7 @@ Terminal.prototype.write = function(data) {
               this.x++;
               this.updateRange(this.y);
 
-              // if (wideChars.test(ch)) {
+              // if (ch > '\uff00' && wideChars.test(ch)) {
               //   if (this.cols < 2) {
               //     this.lines[this.y + this.ybase][this.x - 1][1] = ' ';
               //     break;