diff --git a/subsys/net/ip/ipv4.c b/subsys/net/ip/ipv4.c
index b294563896c8..6da4fac87846 100644
--- a/subsys/net/ip/ipv4.c
+++ b/subsys/net/ip/ipv4.c
@@ -287,6 +287,11 @@ enum net_verdict net_ipv4_input(struct net_pkt *pkt, bool is_loopback)
 			NET_DBG("DROP: localhost packet");
 			goto drop;
 		}
+
+		if (net_ipv4_is_my_addr((struct in_addr *)hdr->src)) {
+			NET_DBG("DROP: src addr is %s", "mine");
+			goto drop;
+		}
 	}
 
 	if (net_ipv4_is_addr_mcast((struct in_addr *)hdr->src)) {