diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index 4d6e226..a1c58a2 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -2939,7 +2939,7 @@
   writefile(lines, 'XTest_closure_fails', 'D')
 
   # Check that an error shows
-  var buf = g:RunVimInTerminal('-S XTest_closure_fails', {'rows': 6})
+  var buf = g:RunVimInTerminal('-S XTest_closure_fails', {rows: 6, wait_for_ruler: 0})
   g:VerifyScreenDump(buf, 'Test_vim9_closure_fails', {})
 
   # clean up