diff --git a/src/testdir/test_channel.vim b/src/testdir/test_channel.vim
index 7b531c8..3b15568 100644
--- a/src/testdir/test_channel.vim
+++ b/src/testdir/test_channel.vim
@@ -550,6 +550,10 @@
   if !has('job')
     return
   endif
+  " TODO: make this work for MS-Windows
+  if !has('unix')
+    return
+  endif
   call ch_log('Test_nl_write_out_file()')
   let job = job_start(s:python . " test_channel_pipe.py",
 	\ {'out-io': 'file', 'out-name': 'Xoutput'})
@@ -571,6 +575,10 @@
   if !has('job')
     return
   endif
+  " TODO: make this work for MS-Windows
+  if !has('unix')
+    return
+  endif
   call ch_log('Test_nl_write_err_file()')
   let job = job_start(s:python . " test_channel_pipe.py",
 	\ {'err-io': 'file', 'err-name': 'Xoutput'})
@@ -592,6 +600,10 @@
   if !has('job')
     return
   endif
+  " TODO: make this work for MS-Windows
+  if !has('unix')
+    return
+  endif
   call ch_log('Test_nl_write_both_file()')
   let job = job_start(s:python . " test_channel_pipe.py",
 	\ {'out-io': 'file', 'out-name': 'Xoutput', 'err-io': 'out'})
diff --git a/src/version.c b/src/version.c
index 0c0e5bd..dffa9f0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -744,6 +744,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1523,
+/**/
     1522,
 /**/
     1521,