diff --git a/examples/matRad_example12_simpleParticleMonteCarlo.m b/examples/matRad_example12_simpleParticleMonteCarlo.m
index 0f575a687..cf75bdc0e 100644
--- a/examples/matRad_example12_simpleParticleMonteCarlo.m
+++ b/examples/matRad_example12_simpleParticleMonteCarlo.m
@@ -49,8 +49,9 @@
 
 %Biology
 modelName                   = 'none';
-quantityOpt                 = 'physicalDose';  
+quantityOpt                 = 'physicalDose';
 pln.bioModel                = matRad_bioModel(pln.radiationMode,quantityOpt,modelName);
+pln.propOpt.quantityOpt = quantityOpt;
 
 % optimization settings
 pln.propOpt.optimizer       = 'IPOPT';
diff --git a/test/bioModel/test_biologicalModel.m b/test/bioModel/test_biologicalModel.m
index 3edbe280b..88b350af2 100644
--- a/test/bioModel/test_biologicalModel.m
+++ b/test/bioModel/test_biologicalModel.m
@@ -19,8 +19,6 @@
     assertTrue(isa(bioModel, 'matRad_EmptyBiologicalModel'));
     bioModel = matRad_bioModel('protons', 'none');
     assertTrue(isa(bioModel, 'matRad_EmptyBiologicalModel'));
-    bioModel = matRad_bioModel('photons', 'MCN');
-    assertTrue(isa(bioModel, 'matRad_EmptyBiologicalModel'));
     
     if moxunit_util_platform_is_octave()
         assertExceptionThrown(@(model) matRad_bioModel('photons', model), {'MCN', 'WED', 'CAR', 'LEM'});