diff --git a/site_ansto/instrument/hipd/config/hmm/hmm_configuration.tcl b/site_ansto/instrument/hipd/config/hmm/hmm_configuration.tcl
index eaeaeca5..0a04d04f 100644
--- a/site_ansto/instrument/hipd/config/hmm/hmm_configuration.tcl
+++ b/site_ansto/instrument/hipd/config/hmm/hmm_configuration.tcl
@@ -1,4 +1,4 @@
-source $cfpath(hmm)/hmm_configuration_common_1.tcl 
-hmm_initialize
-hmm_setup transparent 0 3 stitch_nyc  stitch_nxc oat_ntc_eff
-
+source $cfPath(hmm)/hmm_configuration_common_1.tcl 
+::histogram_memory::hmm_initialize
+::histogram_memory::hmm_setup transparent 7000000 3 stitch_nyc  stitch_nxc oat_ntc_eff
+hmm_start 0 
diff --git a/site_ansto/instrument/hrpd/config/hmm/hmm_configuration.tcl b/site_ansto/instrument/hrpd/config/hmm/hmm_configuration.tcl
index 5d97c9ee..5eaf6e88 100644
--- a/site_ansto/instrument/hrpd/config/hmm/hmm_configuration.tcl
+++ b/site_ansto/instrument/hrpd/config/hmm/hmm_configuration.tcl
@@ -1,3 +1,4 @@
-source $cfpath(hmm)/hmm_configuration_common_1.tcl 
+source $cfPath(hmm)/hmm_configuration_common_1.tcl 
 ::histogram_memory::hmm_initialize
 ::histogram_memory::hmm_setup transparent 0 3 oat_nyc_eff  oat_nxc_eff oat_ntc_eff
+hmm_start 0