diff --git a/src/main/java/de/dhbwstuttgart/typeinference/unify/UnifyResultModel.java b/src/main/java/de/dhbwstuttgart/typeinference/unify/UnifyResultModel.java
index a5919c18..dc600939 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/UnifyResultModel.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/UnifyResultModel.java
@@ -17,7 +17,7 @@ public class UnifyResultModel {
 		listeners.remove(listenerToRemove);
 	}
 	
-	public void notify(ResultSet newResult) {
+	public void notify(Set<ResultSet> newResult) {
 		UnifyResultEvent evt = new UnifyResultEvent(newResult);
 		
 		for (UnifyResultListener listener : listeners) {