diff --git a/Simulation/ISF/ISF_Core/FaserISF_Services/python/FaserISF_ServicesConfigNew.py b/Simulation/ISF/ISF_Core/FaserISF_Services/python/FaserISF_ServicesConfigNew.py
index 4bf06b76f66ba0af57e64646cebc12b18b978612..41cdb42178c14f427d7c9bca447419b481160315 100644
--- a/Simulation/ISF/ISF_Core/FaserISF_Services/python/FaserISF_ServicesConfigNew.py
+++ b/Simulation/ISF/ISF_Core/FaserISF_Services/python/FaserISF_ServicesConfigNew.py
@@ -11,7 +11,7 @@ from AthenaConfiguration.ComponentFactory import CompFactory
 from BarcodeServices.BarcodeServicesConfigNew import MC15aPlusBarcodeSvcCfg
 from ISF_HepMC_Tools.ISF_HepMC_ToolsConfigNew import ParticleFinalStateFilterCfg, GenParticleInteractingFilterCfg
 # from FaserISF_HepMC_Tools.FaserISF_HepMC_ToolsConfigNew import FaserTruthStrategyCfg, FaserDipoleTruthStrategyCfg
-from FaserISF_HepMC_Tools.FaserISF_HepMC_ToolsConfigNew import TruthStrategyGroupCfg
+from FaserISF_HepMC_Tools.FaserISF_HepMC_ToolsConfigNew import TruthStrategyGroupCfg, TrenchStrategyGroupCfg
 
 ISF__FaserTruthSvc, ISF__FaserGeoIDSvc, ISF__FaserInputConverter = CompFactory.getComps("ISF::FaserTruthSvc","ISF::FaserGeoIDSvc","ISF::FaserInputConverter")
 
@@ -66,7 +66,11 @@ def FaserTruthServiceCfg(ConfigFlags, name="FaserISF_TruthService", **kwargs):
     # kwargs.setdefault('TruthStrategies',[result.popToolsAndMerge(acc), result.popToolsAndMerge(acc2)])
     acc = TruthStrategyGroupCfg(ConfigFlags)
     kwargs.setdefault('TruthStrategies', [result.popToolsAndMerge(acc)])
-    
+
+    # FaserNu hack
+    acc = TrenchStrategyGroupCfg(ConfigFlags)
+    kwargs.setdefault('TrenchStrategies', [result.popToolsAndMerge(acc)])
+
     kwargs.setdefault('SkipIfNoChildren', True)
     kwargs.setdefault('SkipIfNoParentBarcode', True)
 
diff --git a/Simulation/ISF/ISF_HepMC/FaserISF_HepMC_Tools/python/FaserISF_HepMC_ToolsConfigNew.py b/Simulation/ISF/ISF_HepMC/FaserISF_HepMC_Tools/python/FaserISF_HepMC_ToolsConfigNew.py
index 4f739f6c0ca89afab6020eab6f42e096e1f53545..1a08c8ba26d980d5e001fa27b1b2d1c6f7b616a4 100644
--- a/Simulation/ISF/ISF_HepMC/FaserISF_HepMC_Tools/python/FaserISF_HepMC_ToolsConfigNew.py
+++ b/Simulation/ISF/ISF_HepMC/FaserISF_HepMC_Tools/python/FaserISF_HepMC_ToolsConfigNew.py
@@ -173,6 +173,23 @@ def TruthStrategyGroupCfg(ConfigFlags, name="ISF_MCTruthStrategyGroupID", **kwar
     result.setPrivateTools(CompFactory.ISF.FaserTruthStrategy(name, **kwargs))
     return result
 
+# FaserNu hack
+def TrenchStrategyGroupCfg(ConfigFlags, name="ISF_TrenchStrategyGroupID", **kwargs):
+
+    import ROOT, cppyy
+    cppyy.load_library('FaserDetDescrDict')
+    FaserRegion = ROOT.FaserDetDescr.FaserRegion
+
+    result = ComponentAccumulator()
+    kwargs.setdefault("ParentMinEkin", 10000.*MeV)
+    kwargs.setdefault("ChildMinEkin" , 10000.*MeV)
+    kwargs.setdefault("VertexTypes", [3, 14, 15, 4, 5, 6, 7, 2, 12, 13])
+    kwargs.setdefault("VertexTypeRangeLow"  , 201)  # All kinds of decay processes
+    kwargs.setdefault("VertexTypeRangeHigh" , 298)  # ...
+    kwargs.setdefault("Regions", [FaserRegion.fFaserTrench])
+    result.setPrivateTools(CompFactory.ISF.FaserTruthStrategy(name, **kwargs))
+    return result
+
 
 # def FaserDipoleTruthStrategyCfg(ConfigFlags, name="ISF_FaserDipoleTruthStrategy", **kwargs):
 #     result = ComponentAccumulator()