diff --git a/core/application/impl/app_configuration_impl.cpp b/core/application/impl/app_configuration_impl.cpp
index 5a78d0b10f..12d6fe5a1a 100644
--- a/core/application/impl/app_configuration_impl.cpp
+++ b/core/application/impl/app_configuration_impl.cpp
@@ -814,7 +814,7 @@ namespace kagome::application {
     desc.add_options()
         ("help,h", "show this help message")
         ("version,v", "show version information")
-        ("logcfg", po::value<std::string>(), "optional, path to config file of logger")
+        ("logcfg", po::value<std::string>(), "optional, path to logger config file")
         ("log,l", po::value<std::vector<std::string>>(),
           "Sets a custom logging filter. Syntax is `<target>=<level>`, e.g. -llibp2p=off.\n"
           "Log levels (most to least verbose) are trace, debug, verbose, info, warn, error, critical, off. By default, all targets log `info`.\n"
diff --git a/core/blockchain/impl/block_storage_impl.cpp b/core/blockchain/impl/block_storage_impl.cpp
index 0e19b1fce0..12c00ff4ce 100644
--- a/core/blockchain/impl/block_storage_impl.cpp
+++ b/core/blockchain/impl/block_storage_impl.cpp
@@ -199,6 +199,7 @@ namespace kagome::blockchain {
   outcome::result<primitives::BlockHash> BlockStorageImpl::putBlockHeader(
       const primitives::BlockHeader &header) {
     OUTCOME_TRY(encoded_header, scale::encode(header));
+    header.updateHash(*hasher_);
     const auto &block_hash = header.hash();
     OUTCOME_TRY(putToSpace(
         *storage_, Space::kHeader, block_hash, std::move(encoded_header)));
diff --git a/core/log/configurator.cpp b/core/log/configurator.cpp
index cf7f11e384..bd8049f09f 100644
--- a/core/log/configurator.cpp
+++ b/core/log/configurator.cpp
@@ -147,7 +147,8 @@ namespace kagome::log {
     po::options_description desc("General options");
     desc.add_options()
         // clang-format off
-        ("logcfg", po::value<std::string>(), "optional, path to logging config file")
+        ("logcfg", po::value<std::string>())
+        ("log", po::value<std::string>())  // needed to avoid mix `--logcfg` and `--log`
         // clang-format on
         ;
 
diff --git a/core/parachain/backing/grid_tracker.cpp b/core/parachain/backing/grid_tracker.cpp
index 5477072613..c5cf1164e7 100644
--- a/core/parachain/backing/grid_tracker.cpp
+++ b/core/parachain/backing/grid_tracker.cpp
@@ -607,7 +607,7 @@ namespace kagome::parachain::grid {
     auto it = seconded_counts.find(group_index);
     if (it == seconded_counts.end()) {
       auto i = seconded_counts.emplace(group_index,
-                                       std::vector<size_t>{group_size, 0});
+                                       std::vector<size_t>(group_size, 0));
       counts = i.first->second;
     } else {
       counts = it->second;
diff --git a/node/main.cpp b/node/main.cpp
index 68a38f3627..5e4d87c639 100644
--- a/node/main.cpp
+++ b/node/main.cpp
@@ -123,11 +123,11 @@ int main(int argc, const char **argv, const char **env) {
   // Logging system
   auto logging_system = [&] {
     auto custom_log_config_path =
-        kagome::log::Configurator::getLogConfigFile(argc - 1, argv + 1);
+        kagome::log::Configurator::getLogConfigFile(argc, argv);
     if (custom_log_config_path.has_value()) {
       if (not std::filesystem::is_regular_file(
               custom_log_config_path.value())) {
-        std::cerr << "Provided wrong path to config file of logging\n";
+        std::cerr << "Provided wrong path to logger config file\n";
         exit(EXIT_FAILURE);
       }
     }
diff --git a/test/core/blockchain/block_storage_test.cpp b/test/core/blockchain/block_storage_test.cpp
index f9ad1daedf..ec6dd94c9a 100644
--- a/test/core/blockchain/block_storage_test.cpp
+++ b/test/core/blockchain/block_storage_test.cpp
@@ -48,6 +48,9 @@ class BlockStorageTest : public testing::Test {
   void SetUp() override {
     root_hash.fill(1);
 
+    hasher = std::make_shared<HasherMock>();
+    spaced_storage = std::make_shared<SpacedStorageMock>();
+
     std::set<Space> required_spaces = {Space::kDefault,
                                        Space::kHeader,
                                        Space::kJustification,
@@ -77,8 +80,9 @@ class BlockStorageTest : public testing::Test {
 
   std::shared_ptr<BlockStorageImpl> createWithGenesis() {
     // calculate hash of genesis block at put block header
-    EXPECT_CALL(*hasher, blake2b_256(_))
-        .WillRepeatedly(Return(genesis_block_hash));
+    static auto encoded_header = Buffer(scale::encode(BlockHeader{}).value());
+    ON_CALL(*hasher, blake2b_256(encoded_header.view()))
+        .WillByDefault(Return(genesis_block_hash));
 
     EXPECT_OUTCOME_TRUE(
         new_block_storage,
@@ -106,10 +110,6 @@ TEST_F(BlockStorageTest, CreateWithGenesis) {
 TEST_F(BlockStorageTest, CreateWithEmptyStorage) {
   auto empty_storage = std::make_shared<BufferStorageMock>();
 
-  // calculate hash of genesis block at put block header
-  EXPECT_CALL(*hasher, blake2b_256(_))
-      .WillRepeatedly(Return(genesis_block_hash));
-
   // check if storage contained genesis block
   EXPECT_CALL(*empty_storage, tryGetMock(_))
       .WillRepeatedly(Return(std::nullopt));
@@ -169,7 +169,6 @@ TEST_F(BlockStorageTest, PutBlock) {
   Block block;
   block.header.number = 1;
   block.header.parent_hash = genesis_block_hash;
-  block.header.hash_opt = regular_block_hash;
 
   ASSERT_OUTCOME_SUCCESS_TRY(block_storage->putBlock(block));
 }
@@ -184,9 +183,12 @@ TEST_F(BlockStorageTest, PutWithStorageError) {
   auto block_storage = createWithGenesis();
 
   Block block;
-  block.header.number = 666;
+  block.header.number = 1;
   block.header.parent_hash = genesis_block_hash;
-  block.header.hash_opt = regular_block_hash;
+
+  auto encoded_header = Buffer(scale::encode(block.header).value());
+  ON_CALL(*hasher, blake2b_256(encoded_header.view()))
+      .WillByDefault(Return(regular_block_hash));
 
   Buffer key{regular_block_hash};