diff --git a/src/de/dhbwstuttgart/syntaxtree/Constructor.java b/src/de/dhbwstuttgart/syntaxtree/Constructor.java
index e0e6b3f5..1269e6b7 100644
--- a/src/de/dhbwstuttgart/syntaxtree/Constructor.java
+++ b/src/de/dhbwstuttgart/syntaxtree/Constructor.java
@@ -23,6 +23,7 @@ import de.dhbwstuttgart.typeinference.assumptions.TypeAssumptions;
 import de.dhbwstuttgart.typeinference.exceptions.TypeinferenceException;
 import de.dhbwstuttgart.typeinference.typedeployment.TypeInsertPoint;
 import de.dhbwstuttgart.typeinference.typedeployment.TypeInsertSet;
+import de.dhbwstuttgart.syntaxtree.type.Void;
 
 public class Constructor extends Method {
 	private Method methode;
@@ -55,7 +56,8 @@ public class Constructor extends Method {
 	}
 	@Override
 	public ConstraintsSet TYPE(TypeAssumptions ass) {
-		super.setType(new RefType(this.getParentClass().getName().toString(), this, this.getOffset()));
+		//super.setType(this.getParentClass().getType());
+		super.setType(new Void(this, 0));
 		return super.TYPE(ass);
 	}
 	@Override
diff --git a/src/de/dhbwstuttgart/typeinference/assumptions/ConstructorAssumption.java b/src/de/dhbwstuttgart/typeinference/assumptions/ConstructorAssumption.java
index 68f6112f..ad3eb54f 100644
--- a/src/de/dhbwstuttgart/typeinference/assumptions/ConstructorAssumption.java
+++ b/src/de/dhbwstuttgart/typeinference/assumptions/ConstructorAssumption.java
@@ -7,6 +7,8 @@ import de.dhbwstuttgart.syntaxtree.Field;
 import de.dhbwstuttgart.syntaxtree.FormalParameter;
 import de.dhbwstuttgart.syntaxtree.Method;
 import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
+import de.dhbwstuttgart.syntaxtree.type.Type;
+import de.dhbwstuttgart.typeinference.exceptions.DebugException;
 
 public class ConstructorAssumption extends MethodAssumption{
 
@@ -20,6 +22,13 @@ public class ConstructorAssumption extends MethodAssumption{
 		return super.equals(obj);
 	}
 	
+	@Override
+	public Type getAssumedType() {
+		throw new DebugException("Eine ConstructorAssumption hat keinen Typ bzw. er ist nicht relevant");
+		//return this.getMethod().getParentClass().getType();
+	}
+	
+	@Override
 	public String toString(){
 		String ret = "ConstructorAssumption: ";
 		ret += this.getMethodName()+"(";