1 files changed, 1 insertions, 1 deletions
diff --git a/pad.c b/pad.c
index e4ec019ff7..e821069a8b 100644
--- a/pad.c
+++ b/pad.c
@@ -1235,7 +1235,7 @@ Perl_pad_free(pTHX_ PADOFFSET po)
 #ifdef USE_ITHREADS
 	/* SV could be a shared hash key (eg bugid #19022) */
 	if (
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
 	    !SvIsCOW(PL_curpad[po])
 #else
 	    !SvFAKE(PL_curpad[po])