diff --git a/Configuration/Applications/python/ConfigBuilder.py b/Configuration/Applications/python/ConfigBuilder.py
index 38b6425070007..99e40bcfcf728 100644
--- a/Configuration/Applications/python/ConfigBuilder.py
+++ b/Configuration/Applications/python/ConfigBuilder.py
@@ -124,7 +124,7 @@ def filesFromDASQuery(query,s=None):
 	prim=[]
 	sec=[]
 	print "the query is",query
-	for line in os.popen('das_client.py --query "%s"'%(query)):
+	for line in os.popen('dasgoclient --query "%s"'%(query)):
 		if line.count(".root")>=2:
 			#two files solution...
 			entries=line.replace("\n","").split()
diff --git a/Configuration/PyReleaseValidation/python/relval_steps.py b/Configuration/PyReleaseValidation/python/relval_steps.py
index 7ff916f9ee844..5d32780d05f1a 100644
--- a/Configuration/PyReleaseValidation/python/relval_steps.py
+++ b/Configuration/PyReleaseValidation/python/relval_steps.py
@@ -52,10 +52,10 @@ def __init__(self,dataSet,label='',run=[],files=1000,events=InputInfoNDefault,sp
         
     def das(self, das_options):
         if len(self.run) is not 0:
-            command = ";".join(["das_client.py %s --query '%s'" % (das_options, query) for query in self.queries()])
+            command = ";".join(["dasgoclient %s --query '%s'" % (das_options, query) for query in self.queries()])
             command = "({0})".format(command)
         else:
-            command = "das_client.py %s --query '%s'" % (das_options, self.queries()[0])
+            command = "dasgoclient %s --query '%s'" % (das_options, self.queries()[0])
        
         # Run filter on DAS output 
         if self.ib_blacklist:
diff --git a/Configuration/PyReleaseValidation/scripts/runTheMatrix.py b/Configuration/PyReleaseValidation/scripts/runTheMatrix.py
index b0102d8b1fc51..c5954227111a3 100755
--- a/Configuration/PyReleaseValidation/scripts/runTheMatrix.py
+++ b/Configuration/PyReleaseValidation/scripts/runTheMatrix.py
@@ -187,7 +187,7 @@ def runSelected(opt):
                       action='store_true')
 
     parser.add_option('--das-options',
-                      help='Options to be passed to das_client.py.',
+                      help='Options to be passed to das_client',
                       dest='dasOptions',
                       default="--limit 0",
                       action='store')