1 files changed, 1 insertions, 1 deletions
diff --git a/perl.h b/perl.h
index 02e3f9c60e..f7bf179930 100644
--- a/perl.h
+++ b/perl.h
@@ -3183,7 +3183,7 @@ struct perl_debug_pad {
 };
 
 #define PERL_DEBUG_PAD(i)	&(PL_debug_pad.pad[i])
-#define PERL_DEBUG_PAD_ZERO(i)	(SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
+#define PERL_DEBUG_PAD_ZERO(i)	(sv_setpvn(PERL_DEBUG_PAD(i), "", 0), PERL_DEBUG_PAD(i))
 
 /* Enable variables which are pointers to functions */
 typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);