diff --git a/src/ar_http_iface.erl b/src/ar_http_iface.erl
index 2857a2880..dac75037c 100644
--- a/src/ar_http_iface.erl
+++ b/src/ar_http_iface.erl
@@ -1596,6 +1596,34 @@ add_external_tx_test() ->
 	TXID = TX#tx.id,
 	?assertEqual([TXID], (ar_storage:read_block(B1, ar_node:get_hash_list(Node)))#block.txs).
 
+%% @doc Test adding transactions to a block.
+add_external_tx_with_tags_test() ->
+	ar_storage:clear(),
+	[B0] = ar_weave:init([]),
+	Node = ar_node:start([], [B0]),
+	reregister(Node),
+	Bridge = ar_bridge:start([], Node),
+	reregister(http_bridge_node, Bridge),
+	ar_node:add_peers(Node, Bridge),
+	TX = ar_tx:new(<<"DATA">>),
+	TaggedTX =
+		TX#tx {
+			tags =
+				[
+					{<<"TEST_TAG1">>, <<"TEST_VAL1">>},
+					{<<"TEST_TAG2">>, <<"TEST_VAL2">>}
+				]
+		},
+	send_new_tx({127, 0, 0, 1, 1984}, TaggedTX),
+	receive after 1000 -> ok end,
+	ar_node:mine(Node),
+	receive after 1000 -> ok end,
+	[B1Hash|_] = ar_node:get_blocks(Node),
+	B1 = ar_storage:read_block(B1Hash, ar_node:get_hash_list(Node)),
+	TXID = TaggedTX#tx.id,
+	?assertEqual([TXID], B1#block.txs),
+	?assertEqual(TaggedTX, ar_storage:read_tx(hd(B1#block.txs))).
+
 %% @doc Test getting transactions
 find_external_tx_test() ->
 	ar_storage:clear(),
diff --git a/src/ar_node_tests.erl b/src/ar_node_tests.erl
index 1a66357d2..00e71f846 100644
--- a/src/ar_node_tests.erl
+++ b/src/ar_node_tests.erl
@@ -714,6 +714,26 @@ wallet_two_transaction_test_() ->
 		?AR(500) = ar_node:get_balance(Node1, Pub3)
 	end}.
 
+%% @doc Wallet0 -> Wallet1 { with tags } | mine | check
+mine_tx_with_key_val_tags_test() ->
+	ar_storage:clear(),
+	{Priv1, Pub1} = ar_wallet:new(),
+	{_Priv2, Pub2} = ar_wallet:new(),
+	TX = ar_tx:new(Pub2, ?AR(1), ?AR(9000), <<>>),
+	SignedTX = ar_tx:sign(TX, Priv1, Pub1),
+	B0 = ar_weave:init([{ar_wallet:to_address(Pub1), ?AR(10000), <<>>}], 8),
+	Node1 = ar_node:start([], B0),
+	Node2 = ar_node:start([Node1], B0),
+	ar_node:add_peers(Node1, Node2),
+	ar_storage:write_tx([SignedTX]),
+	ar_node:add_tx(Node1, SignedTX),
+	timer:sleep(300),
+	ar_node:mine(Node1), % Mine B1
+	timer:sleep(1000),
+	BHL = [B1Hash|_] = ar_node:get_blocks(Node2),
+	#block { txs = TXs } = ar_storage:read_block(B1Hash, BHL),
+	?assertEqual(ar_storage:read_tx(TXs), [SignedTX]).
+
 %% @doc Wallet1 -> Wallet2 | Wallet1 -> Wallet3 | mine | check
 %% @doc Wallet1 -> Wallet2 | Wallet1 -> Wallet3 | mine | check
 single_wallet_double_tx_before_mine_test_() ->