1 files changed, 1 insertions, 1 deletions
diff --git a/embed.fnc b/embed.fnc
index b0ed87ae58..e4a17b355b 100644
--- a/embed.fnc
+++ b/embed.fnc
@@ -2239,7 +2239,7 @@ Apd	|void	|sv_copypv_flags	|NN SV *const dsv|NN SV *const ssv|const I32 flags
 Ap	|char*	|my_atof2	|NN const char *s|NN NV* value
 Apn	|int	|my_socketpair	|int family|int type|int protocol|int fd[2]
 Ap	|int	|my_dirfd	|NULLOK DIR* dir
-#ifdef PERL_OLD_COPY_ON_WRITE
+#ifdef PERL_ANY_COW
 : Used in pp_hot.c and regexec.c
 pMXE	|SV*	|sv_setsv_cow	|NULLOK SV* dstr|NN SV* sstr
 #endif