diff --git a/lib/replace/inet_ntop.c b/lib/replace/inet_ntop.c
index fb3d8e90c8a..d6d4158d975 100644
--- a/lib/replace/inet_ntop.c
+++ b/lib/replace/inet_ntop.c
@@ -65,20 +65,22 @@ rep_inet_ntop(int af, const void *src, char *dst, socklen_t size)
  *	format an IPv4 address
  * return:
  *	`dst' (as a const)
- * notes:
- *	(1) uses no statics
- *	(2) takes a unsigned char* not an in_addr as input
  * author:
  *	Paul Vixie, 1996.
  */
 static const char *
 inet_ntop4(const unsigned char *src, char *dst, socklen_t size)
 {
-	static const char *fmt = "%u.%u.%u.%u";
-	char tmp[sizeof "255.255.255.255"];
+	char tmp[sizeof("255.255.255.255")];
 	size_t len;
 
-	len = snprintf(tmp, sizeof tmp, fmt, src[0], src[1], src[2], src[3]);
+	len = snprintf(tmp,
+		       sizeof(tmp),
+		       "%hhu.%hhu.%hhu.%hhu",
+		       src[0],
+		       src[1],
+		       src[2],
+		       src[3]);
 	if (len >= size) {
 		errno = ENOSPC;
 		return (NULL);