diff --git a/interface.c b/interface.c
index 7cd5b41..2cf3b1e 100644
--- a/interface.c
+++ b/interface.c
@@ -35,7 +35,7 @@ void interface_destroy(struct interface *iface)
 void interface_ensure_tslabel(struct interface *iface)
 {
 	if (!iface->ts_label[0]) {
-		strncpy(iface->ts_label, iface->name, MAX_IFNAME_SIZE);
+		memcpy(iface->ts_label, iface->name, MAX_IFNAME_SIZE);
 	}
 }