diff --git a/src/apps/mdns/mdns.c b/src/apps/mdns/mdns.c
index e9c2d136..b16be10e 100644
--- a/src/apps/mdns/mdns.c
+++ b/src/apps/mdns/mdns.c
@@ -60,6 +60,7 @@
  */
 
 #include "lwip/apps/mdns.h"
+#include "lwip/apps/mdns_privs.h"
 #include "lwip/netif.h"
 #include "lwip/udp.h"
 #include "lwip/ip_addr.h"