diff --git a/.dialyzer-ignore b/.dialyzer-ignore
index f21a6b5bab..bf2a526f58 100644
--- a/.dialyzer-ignore
+++ b/.dialyzer-ignore
@@ -21,7 +21,7 @@ lib/block_scout_web/views/layout_view.ex:142: The call 'Elixir.Poison.Parser':'p
 lib/block_scout_web/views/layout_view.ex:228: The call 'Elixir.Poison.Parser':'parse!'
 lib/block_scout_web/controllers/api/rpc/transaction_controller.ex:21
 lib/block_scout_web/controllers/api/rpc/transaction_controller.ex:22
-lib/explorer/smart_contract/reader.ex:336
+lib/explorer/smart_contract/reader.ex:330
 lib/indexer/fetcher/token_total_supply_on_demand.ex:16
 lib/explorer/exchange_rates/source.ex:41
 lib/explorer/exchange_rates/source/coin_gecko.ex:148
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 821e62a6c5..c9374fa40c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
 
 
 ### Fixes
+- [#3376](https://github.com/poanetwork/blockscout/pull/3376) - Fix contract nested inputs
 - [#3375](https://github.com/poanetwork/blockscout/pull/3375) - Prevent terminating of tokens/contracts process
 - [#3374](https://github.com/poanetwork/blockscout/pull/3374) - Fix find block timestamp query
 - [#3373](https://github.com/poanetwork/blockscout/pull/3373) - Fix horizontal scroll in Tokens table
diff --git a/apps/explorer/lib/explorer/smart_contract/reader.ex b/apps/explorer/lib/explorer/smart_contract/reader.ex
index ae1a287aad..9503d2ccb4 100644
--- a/apps/explorer/lib/explorer/smart_contract/reader.ex
+++ b/apps/explorer/lib/explorer/smart_contract/reader.ex
@@ -266,17 +266,11 @@ defmodule Explorer.SmartContract.Reader do
 
   defp format_input_type(input_type) do
     case input_type do
-      {:array, {type, size}, array_size} ->
-        Atom.to_string(type) <> Integer.to_string(size) <> "[" <> Integer.to_string(array_size) <> "]"
-
       {:array, type, array_size} ->
-        Atom.to_string(type) <> "[" <> Integer.to_string(array_size) <> "]"
-
-      {:array, {type, size}} ->
-        Atom.to_string(type) <> Integer.to_string(size) <> "[]"
+        format_input_type(type) <> "[" <> Integer.to_string(array_size) <> "]"
 
       {:array, type} ->
-        Atom.to_string(type) <> "[]"
+        format_input_type(type) <> "[]"
 
       {type, size} ->
         Atom.to_string(type) <> Integer.to_string(size)