diff --git a/configs/ruby/MOESI_hammer.py b/configs/ruby/MOESI_hammer.py
index c13a6cc3a..1c07ca945 100644
--- a/configs/ruby/MOESI_hammer.py
+++ b/configs/ruby/MOESI_hammer.py
@@ -239,8 +239,8 @@ def create_system(options, system, dma_ports, ruby_system):
             dma_cntrl.recycle_latency = options.recycle_latency
 
         # Connect the dma controller to the network
-        dma_cntrl.responseFromDir = ruby_system.network.slave
-        dma_cntrl.requestToDir = ruby_system.network.master
+        dma_cntrl.responseFromDir = ruby_system.network.master
+        dma_cntrl.requestToDir = ruby_system.network.slave
 
 
     all_cntrls = l1_cntrl_nodes + dir_cntrl_nodes + dma_cntrl_nodes