diff --git a/tcl/ma6.config b/tcl/ma6.config
index ee69cbe..3b5cbb5 100644
--- a/tcl/ma6.config
+++ b/tcl/ma6.config
@@ -16,7 +16,7 @@ makenv tt -driver [lsdriver] {
 
 #tt set/limit 310
 
-makeCCU4 ma6 nv
+makeCCU4 ma6 nv he_ilm
 hupdate /nv/set 1.2
 makeN2Fill ccu4ilm {
   ln2fill lowlevel 10
diff --git a/tcl/startup/ccu4make.tcl b/tcl/startup/ccu4make.tcl
index 0d0082c..12580b1 100644
--- a/tcl/startup/ccu4make.tcl
+++ b/tcl/startup/ccu4make.tcl
@@ -89,6 +89,12 @@ proc makeCCU4 {args} {
       }
       he_ilm {
         makenv hefill -driver ccu4ext he lev
+        set vessel [silent 0 result instconfig hevessel]
+        if {$vessel ne "0"} {
+          catch {cc hea 1}
+          catch {cc hem0 475}
+          catch {cc hfu0 0}
+        }
         GraphAdd lev % He_Level brown
         GraphAdd cc.h0 % HeVessel blue
         hsetprop /hefill fast_cmd "lev mode 1\ncc hf 1"