diff --git a/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/block.ex b/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/block.ex
index df8e2d53ce..cdb586c89f 100644
--- a/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/block.ex
+++ b/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/block.ex
@@ -4,6 +4,8 @@ defmodule EthereumJSONRPC.Block do
   and [`eth_getBlockByNumber`](https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_getblockbynumber).
   """
 
+  require Logger
+
   import EthereumJSONRPC, only: [quantity_to_integer: 1, timestamp_to_datetime: 1]
 
   alias EthereumJSONRPC.{Transactions, Uncles}