diff --git a/src/testdir/test_options.vim b/src/testdir/test_options.vim
index cc02c5c..c8b2700 100644
--- a/src/testdir/test_options.vim
+++ b/src/testdir/test_options.vim
@@ -484,12 +484,10 @@
   set ttytype=xterm
   call assert_equal('xterm', &ttytype)
   call assert_equal(&ttytype, &term)
-  " "set ttytype=" gives E522 instead of E529
-  " in travis on some builds. Why?  Catch both for now
   try
     set ttytype=
     call assert_report('set ttytype= did not fail')
-  catch /E529\|E522/
+  catch /E529/
   endtry
 
   " Some systems accept any terminal name and return dumb settings,