diff --git a/src/main/java/org/matsim/run/scoring/AdvancedScoringConfigGroup.java b/src/main/java/org/matsim/run/scoring/AdvancedScoringConfigGroup.java
index f943a7aa..f86190bd 100644
--- a/src/main/java/org/matsim/run/scoring/AdvancedScoringConfigGroup.java
+++ b/src/main/java/org/matsim/run/scoring/AdvancedScoringConfigGroup.java
@@ -16,13 +16,18 @@ public final class AdvancedScoringConfigGroup extends ReflectiveConfigGroup {
 
 	private final List<ScoringParameters> scoringParameters = new ArrayList<>();
 
+	public enum IncomeDependentScoring {
+		none,
+		avg_by_personal_income,
+	}
+
 	@Parameter
 	@Comment("The distance groups if marginal utility of distance is adjusted. In meters.")
 	public List<Integer> distGroups;
 
 	@Parameter
 	@Comment("Enable income dependent marginal utility of money.")
-	public boolean incomeDependent = true;
+	public IncomeDependentScoring incomeDependent = IncomeDependentScoring.avg_by_personal_income;
 
 
 	// TODO: maybe option to re-assign variations or use them from attributes
diff --git a/src/main/java/org/matsim/run/scoring/IndividualPersonScoringParameters.java b/src/main/java/org/matsim/run/scoring/IndividualPersonScoringParameters.java
index 10e9138e..d36cbb37 100644
--- a/src/main/java/org/matsim/run/scoring/IndividualPersonScoringParameters.java
+++ b/src/main/java/org/matsim/run/scoring/IndividualPersonScoringParameters.java
@@ -135,7 +135,7 @@ static DistanceGroup[] calcDistanceGroups(List<Integer> dists, DoubleList distUt
 	}
 
 	private double computeAvgIncome(Population population) {
-		if (!scoring.incomeDependent)
+		if (scoring.incomeDependent == AdvancedScoringConfigGroup.IncomeDependentScoring.none)
 			return Double.NaN;
 
 		log.info("reading income attribute using " + PersonUtils.class + " of all agents and compute global average.\n" +