diff --git a/inarp.c b/inarp.c
index 68e99ff..2ef7d41 100644
--- a/inarp.c
+++ b/inarp.c
@@ -114,7 +114,7 @@
 		const char *ifname, struct ifreq *ifreq)
 {
 	memset(ifreq, 0, sizeof(*ifreq));
-	strcpy(ifreq->ifr_name, ifname);
+	strncpy(ifreq->ifr_name, ifname, sizeof(ifreq->ifr_name));
 
 	return ioctl(fd, type, ifreq);
 }