diff --git a/site_ansto/instrument/pelican/config/hmm/hmm_configuration.tcl b/site_ansto/instrument/pelican/config/hmm/hmm_configuration.tcl
index 2fc8d054..b43ca8b1 100644
--- a/site_ansto/instrument/pelican/config/hmm/hmm_configuration.tcl
+++ b/site_ansto/instrument/pelican/config/hmm/hmm_configuration.tcl
@@ -24,6 +24,7 @@ proc ::histogram_memory::init_OAT_TABLE {} {
     OAT_TABLE Y -setdata BMAX  1023.5
 
     OAT_TABLE -set X { 199.5 198.5 } NXC 200 Y { -0.5 0.5 } NYC 64 T " 0 $twidth " NTC 1024
+    tofw $twidth
   } message ] {
     if {$::errorCode=="NONE"} {return $message}
     return -code error $message