diff --git a/src/testdir/test_visual.vim b/src/testdir/test_visual.vim
index 03335a4..6c2ef59 100644
--- a/src/testdir/test_visual.vim
+++ b/src/testdir/test_visual.vim
@@ -1559,10 +1559,12 @@
 func Test_visual_hl_with_showbreak()
   CheckScreendump
 
+  " Redraw at the end is necessary due to https://github.com/vim/vim/issues/16620
   let lines =<< trim END
     setlocal showbreak=+
     call setline(1, repeat('a', &columns + 10))
     normal g$v4lo
+    redraw
   END
   call writefile(lines, 'XTest_visual_sbr', 'D')