diff --git a/target/linux/realtek/files-6.18/drivers/net/dsa/rtl83xx/l3.c b/target/linux/realtek/files-6.18/drivers/net/dsa/rtl83xx/l3.c
index e87867d8f93..9bc8dd36a02 100644
--- a/target/linux/realtek/files-6.18/drivers/net/dsa/rtl83xx/l3.c
+++ b/target/linux/realtek/files-6.18/drivers/net/dsa/rtl83xx/l3.c
@@ -297,10 +297,22 @@ static int otto_l3_930x_find_slot(struct otto_l3_ctrl *ctrl, struct otto_l3_rout
 			otto_l3_930x_host_route_read(ctrl, idx, &route_entry);
 			dev_dbg(ctrl->dev, "route valid %d, route dest: %pI4, hit %d\n",
 				rt->attr.valid, &rt->dst_ip, rt->attr.hit);
-			if (!must_exist && rt->attr.valid)
-				return idx;
-			if (must_exist && route_entry.dst_ip == rt->dst_ip)
+			if (!must_exist && !route_entry.attr.valid)
 				return idx;
+			if (must_exist &&
+			    route_entry.attr.valid &&
+			    route_entry.attr.type == rt->attr.type) {
+				switch (rt->attr.type) {
+				case 0:
+					if (route_entry.dst_ip == rt->dst_ip)
+						return idx;
+					break;
+				case 2:
+					if (ipv6_addr_equal(&route_entry.dst_ip6, &rt->dst_ip6))
+						return idx;
+					break;
+				}
+			}
 		}
 	}