diff --git a/xs_udp.c b/xs_udp.c
index 63fb69d..9e38393 100644
--- a/xs_udp.c
+++ b/xs_udp.c
@@ -95,7 +95,7 @@ bool xs_udp_broadcast_init(udp_broadcast_handler_t *udp_handler, uint16_t localp
   SOCKET_DO(bind(udp_handler->sock_fd, (struct sockaddr *)&udp_handler->server, sizeof(udp_handler->server)));
   return true;
 }
-bool xs_udp_broadcast(udp_broadcast_handler_t *handler, uint32_t remoteport, uint8_t *data, size_t datalen) {
+ssize_t xs_udp_broadcast(udp_broadcast_handler_t *handler, uint32_t remoteport, uint8_t *data, size_t datalen) {
   struct sockaddr_in sockaddr;
   sockaddr.sin_family      = AF_INET;
   sockaddr.sin_addr.s_addr = htonl(INADDR_BROADCAST);
diff --git a/xs_udp.h b/xs_udp.h
index f4351d0..93f7e69 100644
--- a/xs_udp.h
+++ b/xs_udp.h
@@ -33,7 +33,7 @@ int  xs_udp_send_message(udp_t *udp_handler, const char *remoteip, int remotepor
 int  xs_udp_send_message2(udp_t *udp_handler, struct sockaddr_in *add, const char *data, int len);
 
 bool xs_udp_broadcast_init(udp_broadcast_handler_t *handler, uint16_t localport);
-bool xs_udp_broadcast(udp_broadcast_handler_t *handler, uint32_t remoteport, uint8_t *data, size_t datalen);
+ssize_t xs_udp_broadcast(udp_broadcast_handler_t *handler, uint32_t remoteport, uint8_t *data, size_t datalen);
 
 #ifdef __cplusplus
 }