diff --git a/src/de/dhbwstuttgart/bytecode/BytecodeGen.java b/src/de/dhbwstuttgart/bytecode/BytecodeGen.java
index 0d467b77..69acdefc 100644
--- a/src/de/dhbwstuttgart/bytecode/BytecodeGen.java
+++ b/src/de/dhbwstuttgart/bytecode/BytecodeGen.java
@@ -283,12 +283,16 @@ public class BytecodeGen implements ASTVisitor {
 				break;
 			}
 		}
-		
+
 		HashMap<TypePlaceholder, TypePlaceholder> subAndSuperTph = new HashMap<>();
 		for(GenericInsertPair p : allPairs) {
+			// Tph2.jav
+			if(subAndSuperTph.containsKey(p.TA1)) {
+				if(methodTphs.contains(subAndSuperTph.get(p.TA1)))
+					continue;
+			}
 			subAndSuperTph.put(p.TA1, p.TA2);
 		}
-
 		int numOfVisitedPairs = 0;
 		for(TypePlaceholder subTph: subAndSuperTph.keySet()) {
 			
@@ -320,7 +324,6 @@ public class BytecodeGen implements ASTVisitor {
 			TypePlaceholder subTphRes = tphsInRel.get(0);
 			// Die größte Supertype
 			TypePlaceholder superTphRes = tphsInRel.get(tphsInRel.size()-1);
-			
 			int i = 2;
 			while(!methodTphs.contains(superTphRes) && (tphsInRel.size()-i) >0) {
 				superTphRes = tphsInRel.get(tphsInRel.size()-i);
@@ -330,7 +333,6 @@ public class BytecodeGen implements ASTVisitor {
 			GenericInsertPair sPair = new GenericInsertPair(subTphRes, superTphRes);
 			simplifiedPairs.add(sPair);
 		}
-		
 		return simplifiedPairs;
 	}
 
diff --git a/src/de/dhbwstuttgart/bytecode/signature/Signature.java b/src/de/dhbwstuttgart/bytecode/signature/Signature.java
index 2860cc83..7b222770 100644
--- a/src/de/dhbwstuttgart/bytecode/signature/Signature.java
+++ b/src/de/dhbwstuttgart/bytecode/signature/Signature.java
@@ -147,6 +147,33 @@ public class Signature {
 				}
 			}
 			
+			for(GenericInsertPair p:methodPairs) {
+				String name = p.TA1.getName()+"$";
+				if(!genericsAndBoundsMethod.containsKey(name)) {
+					sw.visitFormalTypeParameter(name);
+					sw.visitClassBound().visitTypeVariable(p.TA2.getName()+"$");
+					genericsAndBoundsMethod.put(name, p.TA2.getName()+"$");
+				}
+			}
+			
+			ArrayList<TypePlaceholder> types = new ArrayList<>();
+			ArrayList<TypePlaceholder> superTypes = new ArrayList<>();
+			
+			for(GenericInsertPair p : methodPairs) {
+				types.add(p.TA1);
+				superTypes.add(p.TA2);
+			}
+			
+			for(GenericInsertPair p : methodPairs) {
+				String name = p.TA2.getName()+"$";
+				if(!types.contains(p.TA2) && !genericsAndBoundsMethod.containsKey(name)) {
+					String bound = Type.getInternalName(Object.class);
+					sw.visitFormalTypeParameter(name);
+					sw.visitClassBound().visitClassType(bound);
+					genericsAndBoundsMethod.put(name, bound);
+					sw.visitClassBound().visitEnd();
+				}
+			}
 		}
 		
 		// visit each method-parameter to create the signature