diff --git a/bind/G4Calo.py b/bind/G4Calo.py
index ce471c6..d8cd757 100644
--- a/bind/G4Calo.py
+++ b/bind/G4Calo.py
@@ -178,8 +178,8 @@ def run_batch(
     assert nEvents > 0
 
     nCores = multiprocessing.cpu_count()
-    #make sure to adjust cores such that at least 200 events are run per core
-    nCores = min(nCores, nEvents // 200 + 1)
+    #make sure to adjust cores such that at least 80 events are run per core
+    nCores = min(nCores, nEvents // 80 + 1)
 
     print(f"Running on {nCores} cores")
     nEventsPerCore = nEvents // nCores