diff --git a/blockchain b/blockchain
index c4804c8..27d2dcb 100755
--- a/blockchain
+++ b/blockchain
@@ -7,7 +7,7 @@ ACCOUNT_PASSWORDS=(account0 account1 account2)
 PASSWORD_FILE=res/password.pass
 
 DATA_DIR=`pwd`/.geth_data/
-GETH_PARAMS=(--identity "FincontractsTestNet" --maxpeers 0 --rpc --rpcport "8545" --rpccorsdomain "*" --datadir $DATA_DIR --port "30303" --nodiscover --rpcapi "db,eth,net,web3,personal" --networkid 1900 --verbosity $VERBOSITY --nat "none")
+GETH_PARAMS=(--identity "FincontractsTestNet" --maxpeers 0 --rpc --rpcport "8545" --rpccorsdomain "\"*\"" --datadir $DATA_DIR --port "30303" --nodiscover --rpcapi "db,eth,net,web3,personal" --networkid 1900 --verbosity $VERBOSITY --nat "none" --ipcdisable)
 MINE_PARAMS=(--mine --minerthreads 1)
 UNLOCK_PARAMS=(--unlock $(join_by , ${!ACCOUNT_PASSWORDS[@]}) --password res/password.pass)
 
diff --git a/contracts/fincontracts b/contracts/fincontracts
index ae741a6..af01605 160000
--- a/contracts/fincontracts
+++ b/contracts/fincontracts
@@ -1 +1 @@
-Subproject commit ae741a66dda43a70b08461ebcdb7d1843ce8c556
+Subproject commit af0160574b355363abb0b97483ba02c53342670a
diff --git a/contracts/solc_helper b/contracts/solc_helper
index a696d63..5d03e9e 160000
--- a/contracts/solc_helper
+++ b/contracts/solc_helper
@@ -1 +1 @@
-Subproject commit a696d63542da28efaffe01b772d26eeabac90ad8
+Subproject commit 5d03e9e45c82b86b1fb5bc972c25c3ede651630f