diff --git a/src/de/dhbwstuttgart/bytecode/BytecodeGen.java b/src/de/dhbwstuttgart/bytecode/BytecodeGen.java
index da114c2c..5dac990c 100644
--- a/src/de/dhbwstuttgart/bytecode/BytecodeGen.java
+++ b/src/de/dhbwstuttgart/bytecode/BytecodeGen.java
@@ -323,9 +323,13 @@ public class BytecodeGen implements ASTVisitor {
 			tphsInRel.put(tphsInRel.size(), superTph);
 			
 			numOfVisitedPairs++;
-			
+			boolean isCycle = false;
 			while(subAndSuperTph.containsKey(superTph)) {
 				superTph = subAndSuperTph.get(superTph);
+				if(tphsInRel.containsValue(superTph)) {
+					isCycle = true;
+					break;
+				}
 				tphsInRel.put(tphsInRel.size(), superTph);
 				numOfVisitedPairs++;
 			}
@@ -361,7 +365,8 @@ public class BytecodeGen implements ASTVisitor {
 			//		 Y muss durch Object ersetzt.
 			
 			// Zweite Operand für die Fälle wie in Lambda.jav (Paramtrisierte Typen) 
-			if(methodTphs.contains(superTphRes) || !tphExtractor.allTPHS.containsKey(superTphRes)) {
+			if((methodTphs.contains(superTphRes) || !tphExtractor.allTPHS.containsKey(superTphRes))
+					&& !subTphRes.equals(superTphRes)) {
 				GenericInsertPair sPair = new GenericInsertPair(subTphRes, superTphRes);
 				simplifiedPairs.add(sPair);
 			}
diff --git a/src/de/dhbwstuttgart/bytecode/signature/Signature.java b/src/de/dhbwstuttgart/bytecode/signature/Signature.java
index c049cac3..c06f7b38 100644
--- a/src/de/dhbwstuttgart/bytecode/signature/Signature.java
+++ b/src/de/dhbwstuttgart/bytecode/signature/Signature.java
@@ -112,12 +112,10 @@ public class Signature {
 		// z.B: Type = TPH K => wird eine Formal Type Parameter K$ erzeugt und Bound = Object
 		if(!isConstructor) {
 			String ret = resultSet.resolveType(method.getReturnType()).resolvedType.acceptTV(new TypeToSignature());
-			System.out.println("RET:::: " + ret);
 			if(!ret.equals("V")) {
 				// TODO TypeToSignature nochmal kontrollieren und schauen ob man dort wirklich 
 				// T... braucht und L ...
 				if(ret.contains("$") && !ret.contains("$$")) {
-//					String g = ret.substring(4,ret.length())+"$";
 					if(genericsAndBounds.containsKey(ret)) {
 						genericsAndBoundsMethod.put(ret.substring(1), genericsAndBounds.get(ret.substring(1)));
 					}else {
@@ -143,9 +141,7 @@ public class Signature {
 			RefTypeOrTPHOrWildcardOrGeneric t = methodParamsAndTypes.get(paramName);
 			String pT = t.acceptTV(new TypeToSignature()); 
 			// S.o
-//			if(pT.substring(0,4).equals("TPH ")) {
 			if(t instanceof TypePlaceholder) {
-//				String gP = pT.substring(4,pT.length())+"$";
 				String gP = t.acceptTV(new TypeToSignature());
 				if(!genericsAndBounds.containsKey(gP.substring(1)) && !genericsAndBoundsMethod.containsKey(gP.substring(1))) {
 					sw.visitFormalTypeParameter(gP.substring(1));
@@ -393,16 +389,16 @@ public class Signature {
 			
 			// das braucht man nicht es reicht: sv.visitTypeVariable(r.acceptTV(new TypeToSignature())
 			// 
-//			if(!r.acceptTV(new TypeToSignature()).substring(0, 4).equals("TPH ")) {
 			String sig2 = r.acceptTV(new TypeToSignature());
 			if(!(r instanceof TypePlaceholder)) {
+				if(sig2.contains("$$")) {
+					sv.visitInterface().visitClassType(sig2.substring(1, sig2.length()));
+				} else {
+					sv.visitClassType(sig2.substring(1, sig2.length()));
+				}
 				
-//				sv.visitInterface().visitClassType(r.acceptTV(new TypeToSignature()));
-//				sv.visitClassType(r.acceptTV(new TypeToSignature()));
-				sv.visitClassType(sig2.substring(1, sig2.length()));
 			} else {
 				System.out.println(r.getClass()+" Signature TPH: "+r.acceptTV(new TypeToSignature()));
-//				sv.visitTypeVariable(r.acceptTV(new TypeToSignature()).substring(4)+"$");
 				sv.visitTypeVariable(sig2.substring(1, sig2.length()));
 			}
 			
diff --git a/test/bytecode/MatrixTest.java b/test/bytecode/MatrixTest.java
index 325cc1d8..cd0a20b7 100644
--- a/test/bytecode/MatrixTest.java
+++ b/test/bytecode/MatrixTest.java
@@ -69,7 +69,7 @@ public class MatrixTest {
 		 //Matrix m3 = m1.mul(vv1);
 		 Method mul = classToTest.getDeclaredMethod("mul", Vector.class);
 		 Object result = mul.invoke(instanceOfClass_m1, instanceOfClass_m2);
-		 System.out.println(instanceOfClass_m1.toString() + " * " + instanceOfClass_m1.toString() + " = " + result.toString());
+		 System.out.println(instanceOfClass_m1.toString() + " * " + instanceOfClass_m2.toString() + " = " + result.toString());
 		
 		 Vector<Vector<Integer>> res = new Vector<Vector<Integer>>();
 		 Vector<Integer> v5 = new Vector<Integer> ();
diff --git a/test/bytecode/Tph3Test.java b/test/bytecode/Tph3Test.java
index d2cad1af..64bfa28f 100644
--- a/test/bytecode/Tph3Test.java
+++ b/test/bytecode/Tph3Test.java
@@ -30,7 +30,7 @@ public class Tph3Test {
 		pathToClassFile = System.getProperty("user.dir")+"/testBytecode/generatedBC/";
 		compiler.generateBytecode(pathToClassFile);
 		loader = new URLClassLoader(new URL[] {new URL("file://"+pathToClassFile)});
-		classToTest = loader.loadClass("Tph2");
+		classToTest = loader.loadClass("Tph3");
 		instanceOfClass = classToTest.getDeclaredConstructor().newInstance();
 	}
 
diff --git a/test/bytecode/javFiles/Tph4.jav b/test/bytecode/javFiles/Tph4.jav
new file mode 100644
index 00000000..1eb529de
--- /dev/null
+++ b/test/bytecode/javFiles/Tph4.jav
@@ -0,0 +1,12 @@
+public class Tph4{
+	m(a,b){
+		var c = m2(b);
+		var d = m2(c);
+		return a;
+	}
+	
+	m2(b){
+		return b
+	}
+	
+}
\ No newline at end of file