diff --git a/src/main/java/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java b/src/main/java/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java
index d0b6fda6..208c93be 100644
--- a/src/main/java/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/BytecodeGenMethod.java
@@ -598,7 +598,8 @@ public class BytecodeGenMethod implements StatementVisitor {
 		FunN f;
 		//ToDo refactor with code for FunN underneath
 		ASTToIntermediate converter = new ASTToIntermediate();
-		IntermediateInnerType returnType = (IntermediateInnerType) converter.convert(lambdaExpression.getReturnType());
+		//Fehler in return Typ
+		IntermediateInnerType returnType = (IntermediateInnerType) converter.convert(resolver.resolve(lambdaExpression.getReturnType()));
 		List<IntermediateInnerType> arguments = lambdaExpression.params
 				.getFormalparalist()
 				.stream()
diff --git a/src/main/java/de/dhbwstuttgart/bytecode/descriptor/TypeToDescriptor.java b/src/main/java/de/dhbwstuttgart/bytecode/descriptor/TypeToDescriptor.java
index 0b8d1346..c54f6fc9 100644
--- a/src/main/java/de/dhbwstuttgart/bytecode/descriptor/TypeToDescriptor.java
+++ b/src/main/java/de/dhbwstuttgart/bytecode/descriptor/TypeToDescriptor.java
@@ -14,7 +14,7 @@ public class TypeToDescriptor implements TypeVisitor<String>{
 	@Override
 	public String visit(RefType refType) {
 		//ToDo Etienne: check if it works
-		if (refType.getName().toString().matches("Fun\\d+\\$\\$")){
+		if (refType.getName().toString().matches("Fun\\d+\\$\\$")) {
 			String descriptor = new ASTToIntermediate().convert(refType).getDescriptor();
 			return descriptor.substring(1, descriptor.length() - 1);
 		}
diff --git a/src/main/java/de/dhbwstuttgart/intermediate/convert/ASTToIntermediate.java b/src/main/java/de/dhbwstuttgart/intermediate/convert/ASTToIntermediate.java
index a386dd50..20ea14cc 100644
--- a/src/main/java/de/dhbwstuttgart/intermediate/convert/ASTToIntermediate.java
+++ b/src/main/java/de/dhbwstuttgart/intermediate/convert/ASTToIntermediate.java
@@ -3,9 +3,7 @@ package de.dhbwstuttgart.intermediate.convert;
 import de.dhbwstuttgart.exceptions.NotImplementedException;
 import de.dhbwstuttgart.intermediate.generation.FunN;
 import de.dhbwstuttgart.intermediate.types.*;
-import de.dhbwstuttgart.parser.scope.JavaClassName;
 import de.dhbwstuttgart.syntaxtree.type.*;
-import org.objectweb.asm.Type;
 
 import java.util.List;
 import java.util.stream.Collectors;
@@ -39,8 +37,6 @@ public class ASTToIntermediate {
                         .collect(Collectors.toList()));
     }
 
-
-    //ToDo abklären: darf hier kein <T extends Integer> stehen? da hier kein Typparameter existiert
     public IntermediateGenericType convert(GenericRefType originalType){
         //no typ argument for e.g. <T extends Integer> is present in the definition of GenericRefType
         return new IntermediateGenericType(originalType.getParsedName());
@@ -60,17 +56,10 @@ public class ASTToIntermediate {
         return new IntermediateExtendsWildcard((IntermediateInnerType) innerType);
     }
 
-    /*
-    public IntermediateWildcard convert(){
-        //thows RuntimeException because in the AST is no typ defined which represents a normal wildcard
-        throw new NotImplementedException("There is no conversion defined for this type.");
-    }
-    */
-
     //ToDo Etienne: check if it works
-    public IntermediateRefType convert(TypePlaceholder originalType){
-        //ToDo zu Generic nachher
-        return new IntermediateRefType(new JavaClassName(Type.getInternalName(Object.class)));
+    public IntermediateGenericType convert(TypePlaceholder originalType){
+        //ToDo muss zu einem Generic werden
+        return new IntermediateGenericType(originalType.getName());
     }
 
     public IntermediateType convert(RefTypeOrTPHOrWildcardOrGeneric originalType){