diff --git a/examples/wifi/wifi_aware/nan_subscriber/main/subscriber_main.c b/examples/wifi/wifi_aware/nan_subscriber/main/subscriber_main.c
index faeac46178..c02aa0164a 100644
--- a/examples/wifi/wifi_aware/nan_subscriber/main/subscriber_main.c
+++ b/examples/wifi/wifi_aware/nan_subscriber/main/subscriber_main.c
@@ -31,6 +31,9 @@
 #else
 #define EXAMPLE_NAN_SVC_MSG             "Hello"
 #endif
+#ifndef ETH_ALEN
+#define ETH_ALEN 6
+#endif
 
 static const char *TAG = "subscriber";