diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4707c6cfce..057d697f8e 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -595,7 +595,7 @@ jobs:
           key: v3-plt-cache-{{ ".tool-versions" }}
           paths:
             - plts
-      - run: mix dialyzer --format short --halt-exit-status
+      - run: mix dialyzer --format short
 
   test_docker_compose_release:
     machine:
diff --git a/Makefile b/Makefile
index 9d9ca9aad4..1920aee83c 100644
--- a/Makefile
+++ b/Makefile
@@ -158,7 +158,7 @@ check-credo:
 	$(ENV_TEST) mix credo 2>&1
 
 check-dialyzer:
-	$(ENV_TEST) mix dialyzer --halt-exit-status 2>&1
+	$(ENV_TEST) mix dialyzer 2>&1
 
 .PHONY: format check-format check-credo
 
diff --git a/apps/omg_conformance/test/support/conformance/merkle_proofs.ex b/apps/omg_conformance/test/support/conformance/merkle_proofs.ex
index ff5f36d877..15a86b4d30 100644
--- a/apps/omg_conformance/test/support/conformance/merkle_proofs.ex
+++ b/apps/omg_conformance/test/support/conformance/merkle_proofs.ex
@@ -58,7 +58,13 @@ defmodule Support.Conformance.MerkleProofs do
   defp call_contract(contract, signature, args, return_types) do
     data = ABI.encode(signature, args)
 
-    {:ok, return} = Ethereumex.HttpClient.eth_call(%{to: Encoding.to_hex(contract), data: Encoding.to_hex(data)})
+    {:ok, return} =
+      Ethereumex.HttpClient.eth_call(%{
+        from: Encoding.to_hex(contract),
+        to: Encoding.to_hex(contract),
+        data: Encoding.to_hex(data)
+      })
+
     decode_answer(return, return_types)
   end
 
diff --git a/apps/omg_conformance/test/support/conformance/signatures_hashes.ex b/apps/omg_conformance/test/support/conformance/signatures_hashes.ex
index 3a262dd569..0317df1432 100644
--- a/apps/omg_conformance/test/support/conformance/signatures_hashes.ex
+++ b/apps/omg_conformance/test/support/conformance/signatures_hashes.ex
@@ -133,7 +133,13 @@ defmodule Support.Conformance.SignaturesHashes do
   defp call_contract(contract, signature, args, return_types) do
     data = ABI.encode(signature, args)
 
-    {:ok, return} = Ethereumex.HttpClient.eth_call(%{to: Encoding.to_hex(contract), data: Encoding.to_hex(data)})
+    {:ok, return} =
+      Ethereumex.HttpClient.eth_call(%{
+        from: Encoding.to_hex(contract),
+        to: Encoding.to_hex(contract),
+        data: Encoding.to_hex(data)
+      })
+
     decode_answer(return, return_types)
   end
 
diff --git a/apps/omg_eth/lib/omg_eth/root_chain/rpc.ex b/apps/omg_eth/lib/omg_eth/root_chain/rpc.ex
index 9bdba47c74..027d0e3404 100644
--- a/apps/omg_eth/lib/omg_eth/root_chain/rpc.ex
+++ b/apps/omg_eth/lib/omg_eth/root_chain/rpc.ex
@@ -20,7 +20,7 @@ defmodule OMG.Eth.RootChain.Rpc do
 
   def call_contract(client \\ Ethereumex.HttpClient, contract, signature, args) do
     data = signature |> ABI.encode(args) |> Encoding.to_hex()
-    client.eth_call(%{to: contract, data: data})
+    client.eth_call(%{from: contract, to: contract, data: data})
   end
 
   def get_ethereum_events(block_from, block_to, [_ | _] = signatures, [_ | _] = contracts) do
diff --git a/apps/omg_eth/test/fixtures.exs b/apps/omg_eth/test/fixtures.exs
index 4026b0b368..ed0019f39b 100644
--- a/apps/omg_eth/test/fixtures.exs
+++ b/apps/omg_eth/test/fixtures.exs
@@ -78,7 +78,7 @@ defmodule OMG.Eth.Fixtures do
 
   defp call_contract(contract, signature, args, return_types) do
     data = ABI.encode(signature, args)
-    {:ok, return} = Ethereumex.HttpClient.eth_call(%{to: contract, data: Encoding.to_hex(data)})
+    {:ok, return} = Ethereumex.HttpClient.eth_call(%{from: contract, to: contract, data: Encoding.to_hex(data)})
     decode_answer(return, return_types)
   end
 
diff --git a/priv/perf/apps/load_test/lib/child_chain/exit.ex b/priv/perf/apps/load_test/lib/child_chain/exit.ex
index 690a711e24..a85c29392d 100644
--- a/priv/perf/apps/load_test/lib/child_chain/exit.ex
+++ b/priv/perf/apps/load_test/lib/child_chain/exit.ex
@@ -151,6 +151,7 @@ defmodule LoadTest.ChildChain.Exit do
 
     {:ok, receipt_enc} =
       Ethereumex.HttpClient.eth_call(%{
+        from: Application.fetch_env!(:load_test, :contract_address_plasma_framework),
         to: Application.fetch_env!(:load_test, :contract_address_plasma_framework),
         data: Encoding.to_hex(data)
       })
diff --git a/priv/perf/apps/load_test/lib/ethereum/ethereum.ex b/priv/perf/apps/load_test/lib/ethereum/ethereum.ex
index 39795b5daa..309a83fd97 100644
--- a/priv/perf/apps/load_test/lib/ethereum/ethereum.ex
+++ b/priv/perf/apps/load_test/lib/ethereum/ethereum.ex
@@ -156,7 +156,11 @@ defmodule LoadTest.Ethereum do
   defp do_root_chain_get_erc20_balance(address, currency) do
     data = ABI.encode("balanceOf(address)", [Encoding.to_binary(address)])
 
-    case Ethereumex.HttpClient.eth_call(%{to: Encoding.to_hex(currency), data: Encoding.to_hex(data)}) do
+    case Ethereumex.HttpClient.eth_call(%{
+           from: Encoding.to_hex(currency),
+           to: Encoding.to_hex(currency),
+           data: Encoding.to_hex(data)
+         }) do
       {:ok, result} ->
         balance =
           result
@@ -174,7 +178,7 @@ defmodule LoadTest.Ethereum do
   defp get_external_data(address, signature, params) do
     data = signature |> ABI.encode(params) |> Encoding.to_hex()
 
-    {:ok, data} = Ethereumex.HttpClient.eth_call(%{to: address, data: data})
+    {:ok, data} = Ethereumex.HttpClient.eth_call(%{from: address, to: address, data: data})
 
     Abi.decode_function(data, signature)
   end