diff --git a/apps/explorer/config/test.exs b/apps/explorer/config/test.exs
index 70d457c6c3..2894a2052b 100644
--- a/apps/explorer/config/test.exs
+++ b/apps/explorer/config/test.exs
@@ -43,7 +43,13 @@ config :explorer, Explorer.Repo.Account,
   queue_target: 1000,
   log: false
 
-for repo <- [Explorer.Repo.PolygonEdge, Explorer.Repo.PolygonZkevm, Explorer.Repo.RSK, Explorer.Repo.Suave, Explorer.Repo.Beacon] do
+for repo <- [
+      Explorer.Repo.PolygonEdge,
+      Explorer.Repo.PolygonZkevm,
+      Explorer.Repo.RSK,
+      Explorer.Repo.Suave,
+      Explorer.Repo.Beacon
+    ] do
   config :explorer, repo,
     database: "explorer_test",
     hostname: "localhost",
diff --git a/apps/indexer/lib/indexer/block/fetcher.ex b/apps/indexer/lib/indexer/block/fetcher.ex
index d7177c83b8..bf91091f8b 100644
--- a/apps/indexer/lib/indexer/block/fetcher.ex
+++ b/apps/indexer/lib/indexer/block/fetcher.ex
@@ -388,12 +388,14 @@ defmodule Indexer.Block.Fetcher do
   def async_import_blobs(%{blocks: blocks}) do
     timestamps =
       blocks
-      |> Enum.filter(fn %{blob_gas_used: blob_gas_used} -> blob_gas_used > 0 end)
+      |> Enum.filter(fn block -> block |> Map.get(:blob_gas_used, 0) > 0 end)
       |> Enum.map(&Map.get(&1, :timestamp))
 
     Blob.async_fetch(timestamps)
   end
 
+  def async_import_blobs(_), do: :ok
+
   defp block_reward_errors_to_block_numbers(block_reward_errors) when is_list(block_reward_errors) do
     Enum.map(block_reward_errors, &block_reward_error_to_block_number/1)
   end
diff --git a/config/config_helper.exs b/config/config_helper.exs
index cac87c611f..392ca74a2e 100644
--- a/config/config_helper.exs
+++ b/config/config_helper.exs
@@ -182,7 +182,7 @@ defmodule ConfigHelper do
   end
 
   @spec chain_type() :: String.t()
-  def chain_type, do: System.get_env("CHAIN_TYPE") || "ethereum"
+  def chain_type, do: System.get_env("CHAIN_TYPE") || "default"
 
   @spec eth_call_url(String.t() | nil) :: String.t() | nil
   def eth_call_url(default \\ nil) do
diff --git a/config/runtime.exs b/config/runtime.exs
index 3659b1d7be..7ef79e36d9 100644
--- a/config/runtime.exs
+++ b/config/runtime.exs
@@ -666,7 +666,7 @@ config :indexer, Indexer.Fetcher.Zkevm.TransactionBatch,
 
 config :indexer, Indexer.Fetcher.Zkevm.TransactionBatch.Supervisor,
   enabled:
-    System.get_env("CHAIN_TYPE", "ethereum") == "polygon_zkevm" &&
+    ConfigHelper.chain_type() == "polygon_zkevm" &&
       ConfigHelper.parse_bool_env_var("INDEXER_ZKEVM_BATCHES_ENABLED")
 
 config :indexer, Indexer.Fetcher.RootstockData.Supervisor,