diff --git a/script/test/TestStreamNotFixed.py b/script/test/TestStreamNotFixed.py
index a6d4582..d8f438d 100644
--- a/script/test/TestStreamNotFixed.py
+++ b/script/test/TestStreamNotFixed.py
@@ -5,7 +5,7 @@ url= "tcp://SIN-CVME-DBPM0421:9000"
 p=Provider("provider", url, True)
 p.config.keepListeningOnStop = True
 p.config.parallelHandlerProcessing = False
-p.config.byteBufferAllocator = False
+p.config.byteBufferAllocator = True
 st1 = Stream("st1", p)
 st1.initialize()
 st1.start()