diff --git a/src/main/java/de/dhbwstuttgart/bytecode/insertGenerics/FamilyOfGeneratedGenerics.java b/src/main/java/de/dhbwstuttgart/bytecode/insertGenerics/FamilyOfGeneratedGenerics.java
index 53c7d1ac..ca6940be 100644
--- a/src/main/java/de/dhbwstuttgart/bytecode/insertGenerics/FamilyOfGeneratedGenerics.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/insertGenerics/FamilyOfGeneratedGenerics.java
@@ -543,6 +543,7 @@ public class FamilyOfGeneratedGenerics {
             oldConsListConverted.add(new TPHConstraint(((TypePlaceholder) pair.TA1).getName(), ((TypePlaceholder) pair.TA2).getName(), r));
         }
         List<TPHConstraint> tcOfoldCons =  buildTransitiveClosure(oldConsListConverted);
+        Set<Pair> tcOfoldConsSet = buildTransitiveClosureForCP(oldCons);
 
         for(int i=0; i<orConsListConverted.size(); i++) {
             List<TPHConstraint> extendsList = orConsListConverted.get(i).get(Relation.EXTENDS);
@@ -563,6 +564,38 @@ public class FamilyOfGeneratedGenerics {
         return tempMC;
     }
 
+    public static Set<Pair> buildTransitiveClosureForCP(Set constraint) {
+        Set<Pair> iterSet = new HashSet<>(constraint);
+        Set<Pair> runSet = new HashSet<>(constraint);
+        Set<Pair> tcSet = new HashSet<>(constraint);
+        boolean addedConToList = false;
+//        for (TPHConstraint cons: iterList) {
+        Iterator<Pair> itIterSet = iterSet.iterator();
+        while(itIterSet.hasNext()) {
+            Pair pairIterSet = itIterSet.next();
+//            for (TPHConstraint cons2: runList) {
+            Iterator<Pair> itRunSet = runSet.iterator();
+            while (itRunSet.hasNext()) {
+                Pair pairRunSet = itRunSet.next();
+//                if(cons.getRight() == cons2.getLeft()) {
+                if(pairIterSet.TA2 == pairRunSet.TA1) {
+//                    TPHConstraint consToAdd = new TPHConstraint(cons.getLeft(), cons2.getRight(), Relation.EXTENDS);
+                    Pair p = new Pair(pairIterSet.TA1, pairRunSet.TA2);
+//                    if (!checkForDuplicates(consToAdd,tcList)) {
+                    if(!tcSet.contains(p)) {
+//                        tcList.add(consToAdd);
+                        tcSet.add(p);
+                        addedConToList = true;
+                        if (addedConToList) {
+                            return buildTransitiveClosureForCP(tcSet);
+                        }
+                    }
+                }
+            }
+        }
+        return tcSet;
+    }
+
     public static HashMap<String, List<MethodConstraint>> getMethodConstraintsWithPositionNew(List<TPHConstraint> cs, List<ClassConstraint> cs_cl, HashMap<String, List<PairTphMethod<PositionFinder.Position, String>>> posOfTphs, List<MethodAndTPH> listOfMethodsAndTph, ResultSet resSet, Set<Pair> oldCons) {
         HashMap<String, List<MethodConstraint>> tempMethodConstraintsWithPosition = new HashMap<>();
         List<MethodConstraint> newMCList = new ArrayList<>();