diff --git a/lhcbnightlyconf/Gauss.py b/lhcbnightlyconf/Gauss.py
index b7fb61006f5ac0f2958df573d19286dbb8ce0104..6bb655c701091f5ef122483915d8e3c8d89f2553 100644
--- a/lhcbnightlyconf/Gauss.py
+++ b/lhcbnightlyconf/Gauss.py
@@ -243,7 +243,7 @@ gaussLamarr.LHCb.disabled = False
 slots.append(gaussLamarr)
 
 # Slot for Gauss with fast Calorimeter development
-gaussFastCalo = create_ref_slot(
+gaussFastCalo = create_rel_slot(
     'lhcb-gauss-fast',
     'Development build of Gauss indentical to lhcb-gauss-sim10 but with fast calorimeter options',
     platforms=CORE_PLATFORMS)