diff --git a/src/testdir/test_quickfix.vim b/src/testdir/test_quickfix.vim
index 56bf9cb..211ccc2 100644
--- a/src/testdir/test_quickfix.vim
+++ b/src/testdir/test_quickfix.vim
@@ -1006,6 +1006,7 @@
   " buffer
   exe 'edit' testfile
   exe 'Xbuffer' bufnr('%')
+  call XLongLinesTests(a:cchar)
 endfunction
 
 function Test_long_lines()