diff --git a/lib/spreadsheet.js b/lib/spreadsheet.js
index 7055e51..1ab4606 100644
--- a/lib/spreadsheet.js
+++ b/lib/spreadsheet.js
@@ -20,7 +20,7 @@ exports.create = exports.load = function(opts, callback) {
     return callback("Missing authentication information");
   if (!opts.spreadsheetId && !opts.spreadsheetName)
     return callback("Missing 'spreadsheetId' or 'spreadsheetName'");
-  if (!opts.worksheetId && !opts.worksheetName)
+  if (typeof worksheetId == 'undefined' && !opts.worksheetName)
     return callback("Missing 'worksheetId' or 'worksheetName'");
 
   //default to true if useCellTextValues is not set or defined.
@@ -68,7 +68,7 @@ Spreadsheet.prototype.init = function(callback) {
   this.getSheetId('spread', function(err) {
     if (err) return callback(err, null);
     _this.getSheetId('work', function(err) {
-      if (err) return callback(err, null);
+      if (err && (_this.opts.worksheetId == 0 && !err.match('worksheet (.*) not found'))) return callback(err, null);
       _this.setTemplates();
       callback(null, _this);
     });