1 files changed, 1 insertions, 1 deletions
diff --git a/doop.c b/doop.c
index 4224b0ea13..c79b435171 100644
--- a/doop.c
+++ b/doop.c
@@ -851,7 +851,7 @@ Perl_do_vecset(pTHX_ SV *sv)
     len = (offset + size + 7) / 8;	/* required number of bytes */
     if (len > targlen) {
 	s = (unsigned char*)SvGROW(targ, len + 1);
-	(void)memzero(s + targlen, len - targlen + 1);
+	(void)memzero((char *)(s + targlen), len - targlen + 1);
 	SvCUR_set(targ, len);
     }