diff --git a/otp/distributed/OTPClientRepository.py b/otp/distributed/OTPClientRepository.py
index c0aa7b8d..292af53d 100755
--- a/otp/distributed/OTPClientRepository.py
+++ b/otp/distributed/OTPClientRepository.py
@@ -223,7 +223,7 @@ class OTPClientRepository(ClientRepositoryBase):
         if dcFileNames == None:
             try:
                 # For Nirai
-                readResult = dcFile.read(dcStream)
+                readResult = dcFile.read(dcStream, '__dc__')
                 del __builtin__.dcStream
 
             except NameError: