1 files changed, 4 insertions, 0 deletions
diff --git a/objXSUB.h b/objXSUB.h
index 7246cb6eae..7ae62f384b 100644
--- a/objXSUB.h
+++ b/objXSUB.h
@@ -1215,6 +1215,10 @@
 #define Perl_do_open		pPerl->Perl_do_open
 #undef  do_open
 #define do_open			Perl_do_open
+#undef  Perl_do_open9
+#define Perl_do_open9		pPerl->Perl_do_open9
+#undef  do_open9
+#define do_open9		Perl_do_open9
 #undef  Perl_do_pipe
 #define Perl_do_pipe		pPerl->Perl_do_pipe
 #undef  do_pipe