diff --git a/subsys/net/lib/dns/mdns_responder.c b/subsys/net/lib/dns/mdns_responder.c
index 9f8a91824a6..ff7d148afdb 100644
--- a/subsys/net/lib/dns/mdns_responder.c
+++ b/subsys/net/lib/dns/mdns_responder.c
@@ -1368,7 +1368,8 @@ static int init_listener(void)
 				ifindex, ret);
 		} else {
 			memset(&if_req, 0, sizeof(if_req));
-			strncpy(if_req.ifr_name, name, sizeof(if_req.ifr_name) - 1);
+			memcpy(if_req.ifr_name, name,
+			       MIN(sizeof(name) - 1, sizeof(if_req.ifr_name) - 1));
 
 			ret = zsock_setsockopt(v6, SOL_SOCKET, SO_BINDTODEVICE,
 					       &if_req, sizeof(if_req));
@@ -1464,7 +1465,8 @@ static int init_listener(void)
 				ifindex, ret);
 		} else {
 			memset(&if_req, 0, sizeof(if_req));
-			strncpy(if_req.ifr_name, name, sizeof(if_req.ifr_name) - 1);
+			memcpy(if_req.ifr_name, name,
+			       MIN(sizeof(name) - 1, sizeof(if_req.ifr_name) - 1));
 
 			ret = zsock_setsockopt(v4, SOL_SOCKET, SO_BINDTODEVICE,
 					       &if_req, sizeof(if_req));