diff --git a/src/currency_core/blockchain_storage.cpp b/src/currency_core/blockchain_storage.cpp
index 4da0c24a..13c96810 100644
--- a/src/currency_core/blockchain_storage.cpp
+++ b/src/currency_core/blockchain_storage.cpp
@@ -223,7 +223,7 @@ bool blockchain_storage::init(const std::string& config_folder, const boost::pro
 
   m_config_folder = config_folder;
 
-  // remove old incompartible DB
+  // remove old incompatible DB
   const std::string old_db_folder_path = m_config_folder + "/" CURRENCY_BLOCKCHAINDATA_FOLDERNAME_OLD;
   if (boost::filesystem::exists(old_db_folder_path))
   {
diff --git a/src/currency_core/tx_pool.cpp b/src/currency_core/tx_pool.cpp
index 6803ac16..b8c56fa4 100644
--- a/src/currency_core/tx_pool.cpp
+++ b/src/currency_core/tx_pool.cpp
@@ -164,7 +164,7 @@ namespace currency
         else
         {
           // this tx has no fee 
-          LOG_ERROR("Transaction with id= " << id << " has too small fee: " << tx_fee << ", expected fee: " << m_blockchain.get_core_runtime_config().tx_pool_min_fee);
+          LOG_PRINT_RED_L0("Transaction with id= " << id << " has too small fee: " << tx_fee << ", expected fee: " << m_blockchain.get_core_runtime_config().tx_pool_min_fee);
           tvc.m_verification_failed = false;
           tvc.m_should_be_relayed = false;
           tvc.m_added_to_pool = false;
diff --git a/src/version.h.in b/src/version.h.in
index 1a166f27..b685d4a8 100644
--- a/src/version.h.in
+++ b/src/version.h.in
@@ -7,6 +7,6 @@
 #define PROJECT_REVISION "0"
 #define PROJECT_VERSION PROJECT_MAJOR_VERSION "." PROJECT_MINOR_VERSION "." PROJECT_REVISION
 
-#define PROJECT_VERSION_BUILD_NO 56
+#define PROJECT_VERSION_BUILD_NO 57
 #define PROJECT_VERSION_BUILD_NO_STR STRINGIFY_EXPAND(PROJECT_VERSION_BUILD_NO)
 #define PROJECT_VERSION_LONG PROJECT_VERSION "." PROJECT_VERSION_BUILD_NO_STR "[" BUILD_COMMIT_ID "]"
diff --git a/utils/build_script_linux.sh b/utils/build_script_linux.sh
index cc9fd4ba..b86876a5 100755
--- a/utils/build_script_linux.sh
+++ b/utils/build_script_linux.sh
@@ -40,19 +40,19 @@ if [ $? -ne 0 ]; then
     exit 1
 fi
 
-make -j daemon Zano;
+make -j1 daemon Zano;
 if [ $? -ne 0 ]; then
     echo "Failed to make!"
     exit 1
 fi
 
-make -j simplewallet;
+make -j1 simplewallet;
 if [ $? -ne 0 ]; then
     echo "Failed to make!"
     exit 1
 fi
 
-make -j connectivity_tool;
+make -j1 connectivity_tool;
 if [ $? -ne 0 ]; then
     echo "Failed to make!"
     exit 1