diff --git a/bits/67_wsxml.js b/bits/67_wsxml.js
index a7cef3c..736aad7 100644
--- a/bits/67_wsxml.js
+++ b/bits/67_wsxml.js
@@ -320,7 +320,7 @@ function write_ws_xml(idx, opts, wb) {
 
   var sheetView = writextag('sheetView', null,  {
     showGridLines: opts.showGridLines == false ? '0' : '1',
-    tabSelected: opts.tabSelected === undefined ? '1' :  opts.tabSelected,
+    tabSelected: opts.tabSelected === undefined ? '0' :  opts.tabSelected,  // see issue #26, need to set WorkbookViews if this is set
     workbookViewId: opts.workbookViewId === undefined ? '0' : opts.workbookViewId
   });
   o[o.length] = writextag('sheetViews', sheetView);
diff --git a/xlsx.js b/xlsx.js
index 8168609..a45426b 100644
--- a/xlsx.js
+++ b/xlsx.js
@@ -7852,7 +7852,7 @@ function write_ws_xml(idx, opts, wb) {
 
   var sheetView = writextag('sheetView', null,  {
     showGridLines: opts.showGridLines == false ? '0' : '1',
-    tabSelected: opts.tabSelected === undefined ? '1' :  opts.tabSelected,
+    tabSelected: opts.tabSelected === undefined ? '0' :  opts.tabSelected,  // see issue #26, need to set WorkbookViews if this is set
     workbookViewId: opts.workbookViewId === undefined ? '0' : opts.workbookViewId
   });
   o[o.length] = writextag('sheetViews', sheetView);