diff --git a/lib/po.js b/lib/po.js
index 0068547..3825b65 100644
--- a/lib/po.js
+++ b/lib/po.js
@@ -203,7 +203,7 @@ PO.Item.prototype.toString = function () {
         lines.push('#, ' + flags.join(","));
     }
 
-    ['msgid', 'msgid_plural', 'msgstr'].forEach(function (keyword) {
+    ['msgctxt', 'msgid', 'msgid_plural', 'msgstr'].forEach(function (keyword) {
         var text = that[keyword];
         if (text != null) {
             if (isArray(text) && text.length > 1) {
diff --git a/test/write.js b/test/write.js
index 9aece24..3a04376 100644
--- a/test/write.js
+++ b/test/write.js
@@ -37,4 +37,11 @@ describe('Write', function () {
         var str = po.toString();
         assertHasLine(str, "msgstr \"Source\"");
     });
+
+    it('write msgctxt', function () {
+        var input = fs.readFileSync(__dirname + '/fixtures/big.po', 'utf8');
+        var po = PO.parse(input);
+        var str = po.toString();
+        assertHasLine(str, 'msgctxt "folder action"');
+    });
 });