diff --git a/Control/CalypsoExample/Reconstruction/scripts/faser_reco.py b/Control/CalypsoExample/Reconstruction/scripts/faser_reco.py
index f96d6bc169578f3bd98d1c313ed6273bf31148d6..f9a7ebbade10f4ec040504bd223ca057008ece2e 100755
--- a/Control/CalypsoExample/Reconstruction/scripts/faser_reco.py
+++ b/Control/CalypsoExample/Reconstruction/scripts/faser_reco.py
@@ -96,9 +96,6 @@ ConfigFlags.IOVDb.DatabaseInstance = "OFLP200"   # Use MC conditions for now
 ConfigFlags.Input.ProjectName = "data20"
 ConfigFlags.GeoModel.Align.Dynamic    = False
 
-# For tracking
-ConfigFlags.TrackingGeometry.MaterialSource = "/cvmfs/faser.cern.ch/repo/sw/database/DBRelease/current/acts/material-maps.json"
-
 # TI12 Cosmics geometry
 if runtype == "TI12Data":
     ConfigFlags.GeoModel.FaserVersion = "FASER-01" 
@@ -119,6 +116,10 @@ elif runtype == "TI12Data03":
     ConfigFlags.GeoModel.FaserVersion = "FASERNU-03" 
     ConfigFlags.IOVDb.GlobalTag = "OFLCOND-FASER-02"
 
+    # Enable ACTS material corrections, this crashes testbeam geometries
+    ConfigFlags.TrackingGeometry.MaterialSource = "/cvmfs/faser.cern.ch/repo/sw/database/DBRelease/current/acts/material-maps.json"
+
+
 else:
     print("Invalid run type found:", runtype)
     print("Specify correct type or update list")