diff --git a/src/testdir/test_python3.vim b/src/testdir/test_python3.vim
index f722edc..4cb5094 100644
--- a/src/testdir/test_python3.vim
+++ b/src/testdir/test_python3.vim
@@ -177,8 +177,10 @@
   set encoding=utf32
   py3 print('hello')
 
-  set encoding=debug
-  py3 print('hello')
+  if !has('win32')
+    set encoding=debug
+    py3 print('hello')
+  endif
 
   set encoding=euc-tw
   py3 print('hello')