diff --git a/site_ansto/instrument/dingo/config/hmm/hmm_configuration.tcl b/site_ansto/instrument/dingo/config/hmm/hmm_configuration.tcl
index 2d31f1c6..dc4e9877 100644
--- a/site_ansto/instrument/dingo/config/hmm/hmm_configuration.tcl
+++ b/site_ansto/instrument/dingo/config/hmm/hmm_configuration.tcl
@@ -1,15 +1,11 @@
-# Author Jing Chen (jgn@ansto.gove.au)
-
-source $cfPath(hmm)/hmm_configuration_common_1.tcl
-source $cfPath(hmm)/hmm_cylindrical_detector_configuration.tcl
-set sim_mode [SplitReply [hmm_simulation]]
-
-proc ::histogram_memory::init_OAT_TABLE {} {}
-proc CAT_TABLE {args} {}
-proc ::histogram_memory::init_CAT_TABLE {} {}
-proc ::histogram_memory::pre_count {} {}
-proc ::histogram_memory::post_count {} {}
-proc ::histogram_memory::isc_initialize {} {}
-proc histmem {cmd args} {}
-
+# Author Ferdi Franceschini
+namespace eval histogram_memory {
+  # Define HP_HMM to make nxscripts_common_1.tcl::nexus::process_filetype_policy happy when setting filetype=BEAM_MONITOR
+  set HP_HMM ""
 
+  # Define isc_initialize to give server_config.tcl:server_init something to call
+  proc isc_initialize {} {
+  }
+  proc set_sobj_attributes {} {
+  }
+}
diff --git a/site_ansto/instrument/dingo/dingo_configuration.tcl b/site_ansto/instrument/dingo/dingo_configuration.tcl
index 6a6a1049..d8c6464c 100644
--- a/site_ansto/instrument/dingo/dingo_configuration.tcl
+++ b/site_ansto/instrument/dingo/dingo_configuration.tcl
@@ -44,7 +44,7 @@ fileeval $cfPath(source)/source.tcl
 #fileeval $cfPath(motors)/extraconfig.tcl
 fileeval $cfPath(plc)/plc.tcl
 fileeval $cfPath(counter)/counter.tcl
-#fileeval $cfPath(hmm)/hmm_configuration.tcl
+fileeval $cfPath(hmm)/hmm_configuration.tcl
 fileeval $cfPath(nexus)/nxscripts.tcl
 fileeval $cfPath(scan)/scan.tcl
 fileeval $cfPath(commands)/commands.tcl