Fix exceljs#231

fintura · Nov 30, 2016 · b393fe9 · b393fe9
1 parent c9223ce
commit b393fe9
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/stream/xlsx/workbook-writer.js b/lib/stream/xlsx/workbook-writer.js
@@ -146,12 +146,12 @@ WorkbookWriter.prototype = {
   get nextId() {
     // find the next unique spot to add worksheet
     var i;
-    for (i = 1; i < this._worksheets.length; i++) {
+    for (i = 0; i < this._worksheets.length; i++) {
       if (!this._worksheets[i]) {
         return i;
       }
     }
-    return this._worksheets.length || 1;
+    return this._worksheets.length;
   },
   addWorksheet: function(name, options) {
     // it's possible to add a worksheet with different than default