diff --git a/Examples/Scripts/Python/full_chain_itk.py b/Examples/Scripts/Python/full_chain_itk.py
index d9cb205fd16..51746c127a1 100755
--- a/Examples/Scripts/Python/full_chain_itk.py
+++ b/Examples/Scripts/Python/full_chain_itk.py
@@ -40,8 +40,7 @@
         s,
         MomentumConfig(1.0 * u.GeV, 10.0 * u.GeV, transverse=True),
         EtaConfig(-4.0, 4.0, uniform=True),
-        ParticleConfig(4, acts.PdgParticle.eMuon, randomizeCharge=True),
-        multiplicity=200,
+        ParticleConfig(2, acts.PdgParticle.eMuon, randomizeCharge=True),
         rnd=rnd,
     )
 else:
diff --git a/Examples/Scripts/Python/full_chain_odd.py b/Examples/Scripts/Python/full_chain_odd.py
index cc189f4af26..fd98f759577 100755
--- a/Examples/Scripts/Python/full_chain_odd.py
+++ b/Examples/Scripts/Python/full_chain_odd.py
@@ -171,7 +171,7 @@
 s = acts.examples.Sequencer(
     events=args.events,
     skip=args.skip,
-    numThreads=1,  # if args.geant4 else -1,
+    numThreads=1 if args.geant4 else -1,
     outputDir=str(outputDir),
 )