diff --git a/hydra.c b/hydra.c
index 3ce44ab..c5ab584 100644
--- a/hydra.c
+++ b/hydra.c
@@ -55,6 +55,7 @@ extern void service_redis(char *ip, int sp, unsigned char options, char *miscptr
 extern void service_http_proxy_urlenum(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int port, char *hostname);
 extern void service_s7_300(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int port, char *hostname);
 extern void service_rtsp(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int port, char *hostname);
+extern void service_rpcap(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int port, char *hostname);
 
 // ADD NEW SERVICES HERE