diff --git a/matsim/src/main/java/org/matsim/core/scoring/functions/CharyparNagelAgentStuckScoring.java b/matsim/src/main/java/org/matsim/core/scoring/functions/CharyparNagelAgentStuckScoring.java
index fa636581d48..34608e4efc5 100644
--- a/matsim/src/main/java/org/matsim/core/scoring/functions/CharyparNagelAgentStuckScoring.java
+++ b/matsim/src/main/java/org/matsim/core/scoring/functions/CharyparNagelAgentStuckScoring.java
@@ -61,6 +61,6 @@ private double getStuckPenalty() {
 
 	@Override
 	public void explainScore(StringBuilder out) {
-		out.append("agentStuck=").append(this.score);
+		out.append("agentStuck_util=").append(this.score);
 	}
 }
diff --git a/matsim/src/main/java/org/matsim/core/scoring/functions/ScoreEventScoring.java b/matsim/src/main/java/org/matsim/core/scoring/functions/ScoreEventScoring.java
index fd6c028abbf..764a67b7a5b 100644
--- a/matsim/src/main/java/org/matsim/core/scoring/functions/ScoreEventScoring.java
+++ b/matsim/src/main/java/org/matsim/core/scoring/functions/ScoreEventScoring.java
@@ -43,6 +43,6 @@ public double getScore() {
 
 	@Override
 	public void explainScore(StringBuilder out) {
-		out.append("scoreEvents=").append(score);
+		out.append("scoreEvents_util=").append(score);
 	}
 }