diff --git a/pcap.c b/pcap.c
index 010ef74..0bfb191 100644
--- a/pcap.c
+++ b/pcap.c
@@ -211,7 +211,7 @@ pcap_set_buffer_size(pcap_t *p, int buffer_size)
 	return 0;
 }
 
-int
+pcap_t *
 pcap_activate(pcap_t *p)
 {
 	int status;
diff --git a/pcap/pcap.h b/pcap/pcap.h
index ea18edc..3910a2d 100644
--- a/pcap/pcap.h
+++ b/pcap/pcap.h
@@ -263,7 +263,7 @@ int	pcap_can_set_rfmon(pcap_t *);
 int	pcap_set_rfmon(pcap_t *, int);
 int	pcap_set_timeout(pcap_t *, int);
 int	pcap_set_buffer_size(pcap_t *, int);
-int	pcap_activate(pcap_t *);
+pcap_t	*pcap_activate(pcap_t *);
 
 pcap_t	*pcap_open_live(const char *, int, int, int, char *);
 pcap_t	*pcap_open_dead(int, int);
