diff --git a/lhcbnightlyconf/Main.py b/lhcbnightlyconf/Main.py
index e98bba194af8298ed9e5e9aa5d622515fbfd5a61..54ed8666150acea546e07cb043e132c0b12f68ef 100644
--- a/lhcbnightlyconf/Main.py
+++ b/lhcbnightlyconf/Main.py
@@ -163,7 +163,7 @@ def create_dd4hep_slot(name):
     slot.cache_entries['PKG_CONFIG_USE_CMAKE_PREFIX_PATH'] = True
     slot.env.append('CMAKE_PREFIX_PATH=${CMAKE_PREFIX_PATH}:/usr')
 
-    slot.projects.append(LCGToolchains("master"))
+    slot.projects.append(LCGToolchains("bcouturi_LCG_101_DD4hep_01.19"))
     slot.Detector.version = 'HEAD'
     slot.Detector.no_test = False
     slot.Detector._deps = ['GitCondDB']