diff --git a/.gitignore b/.gitignore
index de0cdd09..13534782 100644
--- a/.gitignore
+++ b/.gitignore
@@ -120,3 +120,7 @@ modifiedDate\.txt
 ipfs\.out
 
 clusterDriver\.out
+
+\.node-xmlhttprequest-sync-8770
+
+\.node-xmlhttprequest-sync-1849
diff --git a/Driver.py b/Driver.py
index bc39e83e..492b74df 100755
--- a/Driver.py
+++ b/Driver.py
@@ -59,13 +59,13 @@ def isSlurmOn():
 yes = set(['yes', 'y', 'ye']);
 no  = set(['no' , 'n']);
 
-
 if constants.WHOAMI == '':
    print('Once please run: bash initialize.sh');
    sys.exit();
 
-isContractExist = os.popen('python $contractCallPath/isContractExist.py $clusterID').read();
-if isContractExist == 'False':
+isContractExist = os.popen('python $contractCallPath/isContractExist.py').read();
+
+if 'False' in isContractExist:
    print('Please check that you are using eBloc-blockchain.');
    sys.exit();
 
diff --git a/contractCalls/isContractExist.py b/contractCalls/isContractExist.py
index 894fc1a8..a7de73ea 100644
--- a/contractCalls/isContractExist.py
+++ b/contractCalls/isContractExist.py
@@ -17,8 +17,8 @@
 contractAddress = web3.toChecksumAddress(contractAddress);
 eBlocBroker = web3.eth.contract(contractAddress, abi=abi);
 
-if __name__ == '__main__': #{    
-    if web3.eth.getCode(contractAddress) == '0x':
+if __name__ == '__main__': #{
+    if web3.eth.getCode(contractAddress) == '0x' or web3.eth.getCode(contractAddress) == b'':
         print('False')
     else:
         print('True')
diff --git a/initialize.sh b/initialize.sh
index b703b718..c6128ee8 100644
--- a/initialize.sh
+++ b/initialize.sh
@@ -56,6 +56,7 @@ else
        exit
     fi
 fi
+
 source $HOME/.profile
 
 currentDir=$PWD;
@@ -118,7 +119,7 @@ sudo sed -i.bak "s/^\(MailProg=\).*/\1$var\/slurmScript.sh/" /usr/local/etc/slur
 grep "MailProg" /usr/local/etc/slurm.conf
 
 # IPFS setups
-sudo chown -R "$logname:$logname" ~/.ipfs/
+sudo chown -R "$logname:$logname" $HOME/.ipfs/
 
 echo -e "Note: Update the following file 'eudatPassword.txt' with your EUDAT account's password. \nBest to make sure the file is not readable or even listable for anyone but you. You achieve this with:\n 'chmod 700 eudatPassword.txt'"