diff --git a/calorimeters/run_simulation_zdc.sh b/calorimeters/run_simulation_zdc.sh
index fae6497ab3a3f5658a709a0bb7f6419d87836f27..76216c4b313af59c29eec22e294b8d4c0cc4615a 100755
--- a/calorimeters/run_simulation_zdc.sh
+++ b/calorimeters/run_simulation_zdc.sh
@@ -3,6 +3,6 @@
 source /usr/local/bin/thisdd4hep.sh
 
 ddsim --runType batch --numberOfEvents 100 \
-      --compactFile ./ZDC_example.xml \
+      --compactFile ./calorimeters/ZDC_example.xml \
       --inputFiles  ./data/zdc_photons.hepmc \
       --outputFile  ./sim_output/output_zdc_photons.root