diff --git a/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c b/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c
index 2021e53c39a..fdc2227c19c 100644
--- a/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c
+++ b/target/linux/realtek/files-5.10/drivers/net/ethernet/rtl838x_eth.c
@@ -126,8 +126,8 @@ static void rtl839x_create_tx_header(struct p_hdr *h, int dest_port, int prio)
 			h->cpu_tag[4] = BIT(dest_port) >> 16;
 			h->cpu_tag[5] = BIT(dest_port) & 0xffff;
 		}
-		h->cpu_tag[2] |= BIT(20); // Enable destination port mask use
-		h->cpu_tag[2] |= BIT(23); // Enable L2 Learning
+		h->cpu_tag[2] |= BIT(5); // Enable destination port mask use
+		h->cpu_tag[2] |= BIT(8); // Enable L2 Learning
 		// Set internal priority and AS_PRIO
 		if (prio >= 0)
 			h->cpu_tag[1] |= prio | BIT(3);