diff --git a/net/bridge/netfilter/nft_meta_bridge.c b/net/bridge/netfilter/nft_meta_bridge.c
index 7763e78abb00..219c40680260 100644
--- a/net/bridge/netfilter/nft_meta_bridge.c
+++ b/net/bridge/netfilter/nft_meta_bridge.c
@@ -64,6 +64,8 @@ static void nft_meta_bridge_get_eval(const struct nft_expr *expr,
 		if (!br_dev)
 			goto err;
 
+		/* ETH_ALEN (6) is shorter than the destination register span (8) */
+		dest[1] = 0;
 		memcpy(dest, br_dev->dev_addr, ETH_ALEN);
 		return;
 	default: