diff --git a/src/testdir/test_gettext.vim b/src/testdir/test_gettext.vim
index a990121..ddfc402 100644
--- a/src/testdir/test_gettext.vim
+++ b/src/testdir/test_gettext.vim
@@ -13,6 +13,9 @@
   call assert_equal('xxxTESTxxx', gettext("xxxTESTxxx", "vim"))
   call assert_equal('xxxTESTxxx', gettext("xxxTESTxxx", "__PACKAGE__"))
   call assert_equal('ERROR: ', gettext("ERROR: ", "__PACKAGE__"))
+
+  call assert_equal('ERROR: ', ngettext("ERROR: ", "ERROR: ", 1, "__PACKAGE__"))
+  call assert_equal('ERRORS: ', ngettext("ERROR: ", "ERRORS: ", 2, "__PACKAGE__"))
 endfunc
 
 " vim: shiftwidth=2 sts=2 expandtab