--- tinc-1.0.37/src/net_socket.c	2025-11-08 15:46:26
+++ tinc-1.0.37-patched/src/net_socket.c	2026-03-21 14:12:58
@@ -102,14 +102,14 @@
 
 #if defined(SOL_SOCKET) && defined(SO_BINDTODEVICE)
 	memset(&ifr, 0, sizeof(ifr));
-	strncpy(ifr.ifr_ifrn.ifrn_name, iface, IFNAMSIZ);
-	ifr.ifr_ifrn.ifrn_name[IFNAMSIZ - 1] = 0;
+	strncpy(ifr.ifr_name, iface, IFNAMSIZ);
+	ifr.ifr_name[IFNAMSIZ - 1] = 0;
 	free(iface);
 
 	status = setsockopt(sd, SOL_SOCKET, SO_BINDTODEVICE, (void *)&ifr, sizeof(ifr));
 
 	if(status) {
-		logger(LOG_ERR, "Can't bind to interface %s: %s", ifr.ifr_ifrn.ifrn_name, strerror(errno));
+		logger(LOG_ERR, "Can't bind to interface %s: %s", ifr.ifr_name, strerror(errno));
 		return false;
 	}
 
@@ -157,13 +157,13 @@
 		struct ifreq ifr;
 
 		memset(&ifr, 0, sizeof(ifr));
-		strncpy(ifr.ifr_ifrn.ifrn_name, iface, IFNAMSIZ);
-		ifr.ifr_ifrn.ifrn_name[IFNAMSIZ - 1] = 0;
+		strncpy(ifr.ifr_name, iface, IFNAMSIZ);
+		ifr.ifr_name[IFNAMSIZ - 1] = 0;
 		free(iface);
 
 		if(setsockopt(nfd, SOL_SOCKET, SO_BINDTODEVICE, (void *)&ifr, sizeof(ifr))) {
 			closesocket(nfd);
-			logger(LOG_ERR, "Can't bind to interface %s: %s", ifr.ifr_ifrn.ifrn_name, strerror(sockerrno));
+			logger(LOG_ERR, "Can't bind to interface %s: %s", ifr.ifr_name, strerror(sockerrno));
 			return -1;
 		}