diff --git a/apps/arweave/src/ar_data_sync.erl b/apps/arweave/src/ar_data_sync.erl
index 06b117d03..100846655 100644
--- a/apps/arweave/src/ar_data_sync.erl
+++ b/apps/arweave/src/ar_data_sync.erl
@@ -220,11 +220,10 @@ add_chunk(DataRoot, DataPath, Chunk, Offset, TXSize) ->
 %% relative end offset to end up in one of the configured storage modules.
 is_estimated_long_term_chunk(DataRootOffsetReply, EndOffset) ->
 	WeaveSize = ar_node:get_current_weave_size(),
-	IsTipCovered = is_offset_vicinity_covered(WeaveSize),
 	case DataRootOffsetReply of
 		not_found ->
 			%% A chunk from a pending transaction.
-			IsTipCovered;
+			is_offset_vicinity_covered(WeaveSize);
 		{ok, {TXStartOffset, _}} ->
 			WeaveSize = ar_node:get_current_weave_size(),
 			Size = ar_node:get_recent_max_block_size(),
diff --git a/apps/arweave/src/ar_storage_module.erl b/apps/arweave/src/ar_storage_module.erl
index 345dc1aa9..60ab22f3e 100644
--- a/apps/arweave/src/ar_storage_module.erl
+++ b/apps/arweave/src/ar_storage_module.erl
@@ -4,6 +4,8 @@
 		get_by_id/1, get_range/1, get_packing/1, get_size/1, get/2, get_all/1, get_all/2,
 		has_any/1, has_range/2]).
 
+-export([get_unique_sorted_intervals/1]).
+
 -include_lib("arweave/include/ar.hrl").
 -include_lib("arweave/include/ar_consensus.hrl").
 -include_lib("arweave/include/ar_config.hrl").
@@ -183,8 +185,14 @@ has_any(Offset) ->
 %% @doc Return true if the given range is covered by the configured storage modules.
 has_range(Start, End) ->
 	{ok, Config} = application:get_env(arweave, config),
-	Intervals = get_unique_sorted_intervals(Config#config.storage_modules),
-	has_range(Start, End, Intervals).
+	case ets:lookup(?MODULE, unique_sorted_intervals) of
+		[] ->
+			Intervals = get_unique_sorted_intervals(Config#config.storage_modules),
+			ets:insert(?MODULE, {unique_sorted_intervals, Intervals}),
+			has_range(Start, End, Intervals);
+		[{_, Intervals}] ->
+			has_range(Start, End, Intervals)
+	end.
 
 %%%===================================================================
 %%% Private functions.