1 files changed, 2 insertions, 0 deletions
diff --git a/objXSUB.h b/objXSUB.h
index 857a942f0b..1fbb21402b 100644
--- a/objXSUB.h
+++ b/objXSUB.h
@@ -897,6 +897,8 @@
 #define ck_bitop		pPerl->Perl_ck_bitop
 #undef  ck_concat
 #define ck_concat		pPerl->Perl_ck_concat
+#undef  ck_defined
+#define ck_defined		pPerl->Perl_ck_defined
 #undef  ck_delete
 #define ck_delete		pPerl->Perl_ck_delete
 #undef  ck_eof