2 files changed, 4 insertions, 2 deletions
diff --git a/iface.h b/iface.h
index cdcf716..47321d5 100644
--- a/iface.h
+++ b/iface.h
@@ -26,7 +26,8 @@ enum iface_event_type {
 	IFACE_DEL,
 };
 
-typedef void (*iface_event_handler_t)(enum iface_event_type, int af, unsigned int ifindex);
+typedef void (*iface_event_handler_t)(enum iface_event_type, unsigned char af,
+				      unsigned int ifindex);
 
 void iface_register_event_handler(iface_event_handler_t event_handler);
 int iface_start_thread(void);
diff --git a/llmnr.c b/llmnr.c
index f08c5d1..b3b2835 100644
--- a/llmnr.c
+++ b/llmnr.c
@@ -45,7 +45,8 @@ static bool llmnr_running = true;
  */
 static char llmnr_hostname[LLMNR_LABEL_MAX_SIZE + 2];
 
-static void llmnr_iface_event_handle(enum iface_event_type type, int af, unsigned int ifindex)
+static void llmnr_iface_event_handle(enum iface_event_type type, unsigned char af,
+				     unsigned int ifindex)
 {
 	switch (af) {
 	case AF_INET: