diff --git a/src/testdir/runtest.vim b/src/testdir/runtest.vim
index 4f508a4..fa621f4 100644
--- a/src/testdir/runtest.vim
+++ b/src/testdir/runtest.vim
@@ -272,6 +272,7 @@
       \ 'Test_paused()',
       \ 'Test_pipe_through_sort_all()',
       \ 'Test_pipe_through_sort_some()',
+      \ 'Test_popup_and_window_resize()',  " sometimes fails on Mac
       \ 'Test_quoteplus()',
       \ 'Test_quotestar()',
       \ 'Test_reltime()',