diff --git a/java/com.sap.sailing.simulator/src/com/sap/sailing/simulator/SimulationParameters.java b/java/com.sap.sailing.simulator/src/com/sap/sailing/simulator/SimulationParameters.java
index 70386cf615f..0b2be3611e6 100644
--- a/java/com.sap.sailing.simulator/src/com/sap/sailing/simulator/SimulationParameters.java
+++ b/java/com.sap.sailing.simulator/src/com/sap/sailing/simulator/SimulationParameters.java
@@ -16,6 +16,6 @@ public interface SimulationParameters {
 	
 	Boundary getBoundaries();
 	
-	Map<String,Object> getSettings();
+	Map<String,Double> getSettings();
 
 }
diff --git a/java/com.sap.sailing.simulator/src/com/sap/sailing/simulator/impl/SimulationParametersImpl.java b/java/com.sap.sailing.simulator/src/com/sap/sailing/simulator/impl/SimulationParametersImpl.java
index f851b83a42b..6e42a395a02 100644
--- a/java/com.sap.sailing.simulator/src/com/sap/sailing/simulator/impl/SimulationParametersImpl.java
+++ b/java/com.sap.sailing.simulator/src/com/sap/sailing/simulator/impl/SimulationParametersImpl.java
@@ -42,7 +42,7 @@ public class SimulationParametersImpl implements SimulationParameters {
 	}
 
 	@Override
-	public Map<String, Object> getSettings() {
+	public Map<String, Double> getSettings() {
 		return null;
 	}