diff --git a/src/testdir/test_popup.vim b/src/testdir/test_popup.vim
index ca482c0..d5f50ca 100644
--- a/src/testdir/test_popup.vim
+++ b/src/testdir/test_popup.vim
@@ -203,6 +203,7 @@
   call feedkeys("aM\<f5>\<enter>\<esc>", 'tx')
   call assert_equal(["March", "M", "March"], getline(1,4))
   %d
+  bwipe!
 endfu