diff --git a/src/testdir/test_channel.vim b/src/testdir/test_channel.vim
index b6c9860..62b5c89 100644
--- a/src/testdir/test_channel.vim
+++ b/src/testdir/test_channel.vim
@@ -28,7 +28,7 @@
   finish
 endif
 
-let s:chopt = has('macunix') ? {'waittime' : 1} : {}
+let s:chopt = has('osx') ? {'waittime' : 1} : {}
 
 " Run "testfunc" after sarting the server and stop the server afterwards.
 func s:run_server(testfunc)