diff --git a/ip/tunnel.c b/ip/tunnel.c
index 948d5f7c..abd9fa2f 100644
--- a/ip/tunnel.c
+++ b/ip/tunnel.c
@@ -64,7 +64,7 @@ int tnl_get_ioctl(const char *basedev, void *p)
 	int fd;
 	int err;
 
-	strncpy(ifr.ifr_name, basedev, IFNAMSIZ);
+	strlcpy(ifr.ifr_name, basedev, IFNAMSIZ);
 	ifr.ifr_ifru.ifru_data = (void *)p;
 
 	fd = socket(preferred_family, SOCK_DGRAM, 0);
@@ -89,9 +89,9 @@ int tnl_add_ioctl(int cmd, const char *basedev, const char *name, void *p)
 	int err;
 
 	if (cmd == SIOCCHGTUNNEL && name[0])
-		strncpy(ifr.ifr_name, name, IFNAMSIZ);
+		strlcpy(ifr.ifr_name, name, IFNAMSIZ);
 	else
-		strncpy(ifr.ifr_name, basedev, IFNAMSIZ);
+		strlcpy(ifr.ifr_name, basedev, IFNAMSIZ);
 	ifr.ifr_ifru.ifru_data = p;
 
 	fd = socket(preferred_family, SOCK_DGRAM, 0);
@@ -115,9 +115,9 @@ int tnl_del_ioctl(const char *basedev, const char *name, void *p)
 	int err;
 
 	if (name[0])
-		strncpy(ifr.ifr_name, name, IFNAMSIZ);
+		strlcpy(ifr.ifr_name, name, IFNAMSIZ);
 	else
-		strncpy(ifr.ifr_name, basedev, IFNAMSIZ);
+		strlcpy(ifr.ifr_name, basedev, IFNAMSIZ);
 
 	ifr.ifr_ifru.ifru_data = p;
 
@@ -142,7 +142,7 @@ static int tnl_gen_ioctl(int cmd, const char *name,
 	int fd;
 	int err;
 
-	strncpy(ifr.ifr_name, name, IFNAMSIZ);
+	strlcpy(ifr.ifr_name, name, IFNAMSIZ);
 	ifr.ifr_ifru.ifru_data = p;
 
 	fd = socket(preferred_family, SOCK_DGRAM, 0);