diff --git a/src/npb/configs/system/MOESI_CMP_directory.py b/src/npb/configs/system/MOESI_CMP_directory.py
index 1aec746..a992e4f 100755
--- a/src/npb/configs/system/MOESI_CMP_directory.py
+++ b/src/npb/configs/system/MOESI_CMP_directory.py
@@ -290,6 +290,7 @@
         self.forwardFromDir.out_port = ruby_system.network.in_port
         self.requestToMemory = MessageBuffer()
         self.responseFromMemory = MessageBuffer()
+        self.triggerQueue = MessageBuffer(ordered = True)
 
 class DMAController(DMA_Controller):
 
diff --git a/src/spec-2006/configs/system/MOESI_CMP_directory.py b/src/spec-2006/configs/system/MOESI_CMP_directory.py
index ec13fda..4419cad 100644
--- a/src/spec-2006/configs/system/MOESI_CMP_directory.py
+++ b/src/spec-2006/configs/system/MOESI_CMP_directory.py
@@ -289,6 +289,7 @@
         self.forwardFromDir.out_port = ruby_system.network.in_port
         self.requestToMemory = MessageBuffer()
         self.responseFromMemory = MessageBuffer()
+        self.triggerQueue = MessageBuffer(ordered = True)
 
 class DMAController(DMA_Controller):