diff --git a/benchmarks/tracking/options/track_reconstruction.py b/benchmarks/tracking/options/track_reconstruction.py
index 27430cf316af6c32ffb715ddc9963f44d61d61a0..f00989d4c1bd9e6701f6bc91e939a87c8061751f 100644
--- a/benchmarks/tracking/options/track_reconstruction.py
+++ b/benchmarks/tracking/options/track_reconstruction.py
@@ -16,7 +16,10 @@ input_sim_file  = str(os.environ["JUGGLER_SIM_FILE"])
 output_rec_file = str(os.environ["JUGGLER_REC_FILE"])
 n_events = str(os.environ["JUGGLER_N_EVENTS"])
 
-geo_service  = GeoSvc("GeoSvc", detectors=["{}/{}.xml".format(detector_path,detector_name)], OutputLevel=WARNING)
+geo_service  = GeoSvc("GeoSvc",
+                      detectors=["{}/{}.xml".format(detector_path,detector_name)],
+                      materials="config/material-maps.json",
+                      OutputLevel=WARNING)
 podioevent   = EICDataSvc("EventDataSvc", inputs=[input_sim_file], OutputLevel=WARNING)
 
 from Configurables import PodioInput
diff --git a/bin/get_calibrations b/bin/get_calibrations
index dbbe73d8c40a21bdc9a76b56aba2341c63902ce6..e23d619444ca84fb445a8696586a88e13e61d0c4 100755
--- a/bin/get_calibrations
+++ b/bin/get_calibrations
@@ -4,7 +4,7 @@ branch=${1:-master}
 detector_benchmarks=https://eicweb.phy.anl.gov/EIC/benchmarks/detector_benchmarks/-/jobs/artifacts/${branch}/raw/
 
 mkdir -p config
-for i in results/emcal_barrel_calibration.json ; do
+for i in results/emcal_barrel_calibration.json results/material-maps.json ; do
   curl --fail -sL ${detector_benchmarks}/${i}?job=deploy_results --output config/$(basename ${i})
   if [[ "$?" -ne "0" ]] ; then
     if find ${DETECTOR_PATH} -name $(basename $i) ; then