diff --git a/site_ansto/instrument/sans/config/hmm/hmm_configuration.tcl b/site_ansto/instrument/sans/config/hmm/hmm_configuration.tcl
index 41d56419..dd9784e5 100644
--- a/site_ansto/instrument/sans/config/hmm/hmm_configuration.tcl
+++ b/site_ansto/instrument/sans/config/hmm/hmm_configuration.tcl
@@ -28,6 +28,14 @@ if {$sim_mode == "true"} {
   MakeHMControl_ANSTO hmc bm hmm;
 }
 
+hmm configure rank 3
+hmm_xy configure rank 2
+hmm_xt configure rank 2
+hmm_yt configure rank 2
+hmm_x configure rank 1
+hmm_y configure rank 1
+hmm_t configure rank 1
+
 source $cfPath(hmm)/hmm_configuration_common_1.tcl
 if {$sim_mode == "true"} {
   proc ::histogram_memory::initialize {} {