diff --git a/prediction-orchestrator/src/main/java/eu/nebulouscloud/predictionorchestrator/Prediction.java b/prediction-orchestrator/src/main/java/eu/nebulouscloud/predictionorchestrator/Prediction.java
index 2efd029..ce1e120 100644
--- a/prediction-orchestrator/src/main/java/eu/nebulouscloud/predictionorchestrator/Prediction.java
+++ b/prediction-orchestrator/src/main/java/eu/nebulouscloud/predictionorchestrator/Prediction.java
@@ -26,7 +26,7 @@ public static Map<String, Object> toMap(Prediction prediction) {
         predictionMap.put("componentId", prediction.getComponentId());
         predictionMap.put("timestamp", prediction.getTimestamp());
         predictionMap.put("probability", prediction.getProbability());
-        predictionMap.put("confidenceInterval", prediction.getConfidenceInterval());
+        predictionMap.put("confidence_interval", prediction.getConfidenceInterval());
         predictionMap.put("predictionTime", prediction.getPredictionTime());
         predictionMap.put("predictionMethod", prediction.getPredictionMethod());
         predictionMap.put("metricName", prediction.getMetricName());