diff --git a/slirp/bootp.c b/slirp/bootp.c
index 0905c6d1bee4e3f67edb16ff43bd707e30d632e4..1eb2ed11434df1d61d4a5f0ba447762a070194ab 100644
--- a/slirp/bootp.c
+++ b/slirp/bootp.c
@@ -284,7 +284,7 @@ static void bootp_reply(Slirp *slirp, const struct bootp_t *bp)
     } else {
         static const char nak_msg[] = "requested address not available";
 
-        DPRINTF("nak'ed addr=%08x\n", ntohl(preq_addr->s_addr));
+        DPRINTF("nak'ed addr=%08x\n", ntohl(preq_addr.s_addr));
 
         *q++ = RFC2132_MSG_TYPE;
         *q++ = 1;