diff --git a/GPy/inference/latent_function_inference/var_dtc_parallel.py b/GPy/inference/latent_function_inference/var_dtc_parallel.py
index dfa16c4a..43e52e2b 100644
--- a/GPy/inference/latent_function_inference/var_dtc_parallel.py
+++ b/GPy/inference/latent_function_inference/var_dtc_parallel.py
@@ -26,7 +26,7 @@ class VarDTC_minibatch(LatentFunctionInference):
 
     """
     const_jitter = 1e-6
-    def __init__(self, batchsize=None, limit=1, mpi_comm=None):
+    def __init__(self, batchsize=None, limit=1, mpi_comm=None, Y_speedup=False):
         
         self.batchsize = batchsize
         self.mpi_comm = mpi_comm
@@ -39,7 +39,7 @@ class VarDTC_minibatch(LatentFunctionInference):
         
         self.midRes = {}
         self.batch_pos = 0 # the starting position of the current mini-batch
-        self.Y_speedup = False # Replace Y with the cholesky factor of YY.T, but the posterior inference will be wrong
+        self.Y_speedup = Y_speedup # Replace Y with the cholesky factor of YY.T, but the posterior inference will be wrong
         
     def __getstate__(self):
         # has to be overridden, as Cacher objects cannot be pickled.