diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c
index 4ea2b342f252acd8b13c00bea80f9c5296b89d12..887f430734f7479d37e24f6161142fe10cf717d5 100644
--- a/drivers/net/ethernet/mediatek/mtk_ppe.c
+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
@@ -547,7 +547,7 @@ __mtk_foe_entry_commit(struct mtk_ppe *ppe, struct mtk_foe_entry *entry,
 	}
 
 	hwe = mtk_foe_get_entry(ppe, hash);
-	memcpy(&hwe->data, &entry->data, eth->soc->foe_entry_size);
+	memcpy(&hwe->data, &entry->data, eth->soc->foe_entry_size - sizeof(hwe->ib1));
 	wmb();
 	hwe->ib1 = entry->ib1;