diff --git a/SimpaDbUtil.py b/SimpaDbUtil.py
index 9363c47..867a4eb 100644
--- a/SimpaDbUtil.py
+++ b/SimpaDbUtil.py
@@ -32,7 +32,7 @@ def isMachineResponding(machineName):
 
 
 def machineNameToMacAddress( machineName ):
-	conn = MySQLdb.connect('simpatix10', 'root', '', 'simpadb')
+	conn = MySQLdb.connect('simpatix10', 'simpadb_reader', '', 'simpadb')
 	assert(conn)
 	sqlQuery = """SELECT mac_address FROM ethernet_cards WHERE machine_name='"""+machineName+"""' AND type='normal'"""
 	#print sqlQuery
@@ -50,7 +50,7 @@ def getLightOutManagementIpAddress( machineName ):
 	"""
 		the light out management ip of servers allows to talk to the server even when it's asleep
 	"""
-	conn = MySQLdb.connect('simpatix10', 'root', '', 'simpadb')
+	conn = MySQLdb.connect('simpatix10', 'simpadb_reader', '', 'simpadb')
 	assert(conn)
 	sqlQuery = """SELECT ip_address_1,ip_address_2,ip_address_3,ip_address_4 FROM ethernet_cards WHERE machine_name='"""+machineName+"""' AND type='light_out_management'"""
 	#print sqlQuery
@@ -67,7 +67,7 @@ def getLightOutManagementIpAddress( machineName ):
 
 def getClusterMachinesNames():
 	clusterMachinesNames = []
-	conn = MySQLdb.connect('simpatix10', 'root', '', 'simpadb')
+	conn = MySQLdb.connect('simpatix10', 'simpadb_reader', '', 'simpadb')
 	assert(conn)
 	sqlQuery = """SELECT name FROM machines WHERE affectation='cluster'"""
 	#print sqlQuery