diff --git a/rnns/fastrnns/profile.py b/rnns/fastrnns/profile.py
index 65c7d746b8..b76fa4fdb3 100644
--- a/rnns/fastrnns/profile.py
+++ b/rnns/fastrnns/profile.py
@@ -106,7 +106,7 @@ def full_profile(rnns, **args):
     parser.add_argument('--numLayers', default='1', type=int)
     parser.add_argument('--inputSize', default='512', type=int)
     parser.add_argument('--hiddenSize', default='512', type=int)
-    parser.add_argument('--miniBatch', default='512', type=int)
+    parser.add_argument('--miniBatch', default='64', type=int)
     parser.add_argument('--sleep_between_seconds', default='1', type=int)
     parser.add_argument('--nloops', default='5', type=int)