diff --git a/top/addr_table/emp_payload.xml b/top/addr_table/emp_payload.xml
index 4e5e68e34969f47169811e30720ece62ec89fdf1..2c038e0c2536922ba57dbca1ced587a91a34348f 100644
--- a/top/addr_table/emp_payload.xml
+++ b/top/addr_table/emp_payload.xml
@@ -11,7 +11,7 @@
 
     <node id="link_monitor" address="0x10000" module="file://LinkMonitorInterface.xml"/>
 
-    <node id="mprocessor" address="0x40000" description="MProcessor control and status" module="file://mprocessor.xml" fwinfo="endpoint;width=10"/>
+    <node id="mprocessor" address="0x40000" description="MProcessor control and status" module="file://mprocessor.xml" fwinfo="endpoint;width=12"/>
     <node id="mproc_ctrl" address="0x4ffff" description="MProcessor channel control" fwinfo="endpoint;width=0">
         <node id="chan_sel" mask="0x7f"/>
         <node id="srst"     mask="0x80"/>