diff --git a/src/ar.hrl b/src/ar.hrl
index b5888edd8..e19a38537 100644
--- a/src/ar.hrl
+++ b/src/ar.hrl
@@ -1,9 +1,9 @@
 %%% A collection of record structures used throughout the Arweave server.
 
 %% How should nodes on the network identify themselves?
--define(NETWORK_NAME, "arweave.ATN.1").
+-define(NETWORK_NAME, "arweave.ATN.2").
 %% What is the current version/release number (should be an integer).
--define(CLIENT_VERSION, 1).
+-define(CLIENT_VERSION, 2).
 
 %% Should ar:report_console/1 /actually/ report to the console?
 %-define(SILENT, true).
diff --git a/src/ar_join.erl b/src/ar_join.erl
index d661db0be..b5cfe487c 100644
--- a/src/ar_join.erl
+++ b/src/ar_join.erl
@@ -60,7 +60,7 @@ get_block_and_trail(Peers, NewB, BehindCurrent, HashList) ->
 			ar_storage:write_block(B),
 			ar_storage:write_block(R)
 	end,
-	PreviousBlock = ar_node:get_block(Peers, ar_util:get_previous_block_hash(NewB, HashList)),
+	PreviousBlock = ar_node:get_block(Peers, NewB#block.previous_block),
 	get_block_and_trail(Peers, PreviousBlock, BehindCurrent-1, HashList).
 
 %% @doc Fills node to capacity based on weave storage limit.