# Gentoo bug: https://bugs.gentoo.org/919503

diff --git a/tcpkill.c b/tcpkill.c
index 1a64d40..de7ad00 100644
--- a/tcpkill.c
+++ b/tcpkill.c
@@ -19,6 +19,7 @@
 #include <err.h>
 #include <libnet.h>
 #include <pcap.h>
+#include <inttypes.h>
 
 #include "pcaputil.h"
 #include "version.h"
@@ -84,7 +85,7 @@ tcp_kill_cb(u_char *user, const struct pcap_pkthdr *pcap, const u_char *pkt)
 		if (libnet_write(l) < 0)
 			warn("write");
 		
-		fprintf(stderr, "%s R %lu:%lu(0) win 0\n", ctext, seq, seq);
+		fprintf(stderr, "%s R %"PRIu32":%"PRIu32"(0) win 0\n", ctext, seq, seq);
 	}
 }
 
diff --git a/urlsnarf.c b/urlsnarf.c
index f46ccf8..d57b9dd 100644
--- a/urlsnarf.c
+++ b/urlsnarf.c
@@ -341,7 +341,7 @@ main(int argc, char *argv[])
 	}
 
 	struct pcap_pkthdr *h;
-	u_char *d;
+	const u_char *d;
 	int rc;
 	while ((rc = pcap_next_ex(p, &h, &d)) == 1) {
 		tt = h->ts.tv_sec;