diff --git a/src/de/dhbwstuttgart/typedeployment/TypeInsertFactory.java b/src/de/dhbwstuttgart/typedeployment/TypeInsertFactory.java
index b989e0b5..55b052ee 100644
--- a/src/de/dhbwstuttgart/typedeployment/TypeInsertFactory.java
+++ b/src/de/dhbwstuttgart/typedeployment/TypeInsertFactory.java
@@ -2,10 +2,7 @@ package de.dhbwstuttgart.typedeployment;
 
 import de.dhbwstuttgart.exceptions.NotImplementedException;
 import de.dhbwstuttgart.syntaxtree.*;
-import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
-import de.dhbwstuttgart.syntaxtree.type.RefType;
-import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
-import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
+import de.dhbwstuttgart.syntaxtree.type.*;
 import de.dhbwstuttgart.typeinference.ResultSet;
 import de.dhbwstuttgart.typeinference.constraints.Pair;
 import org.antlr.v4.runtime.Token;
@@ -112,8 +109,12 @@ public class TypeInsertFactory {
                 if(typeParam instanceof TypePlaceholder){
                     insert += ((TypePlaceholder) typeParam).getName();
                     additionalInserts.add((TypePlaceholder) typeParam);
-                }else if(typeParam instanceof RefType){
+                }else if(typeParam instanceof RefType) {
                     insert += createInsertString((RefType) typeParam, additionalInserts);
+                }else if(typeParam instanceof SuperWildcardType){
+                    insert += "? super " + createInsertString(((SuperWildcardType) typeParam).getInnerType(), additionalInserts);
+                }else if(typeParam instanceof ExtendsWildcardType){
+                    insert += "? extends " + createInsertString(((ExtendsWildcardType) typeParam).getInnerType(), additionalInserts);
                 }else throw new NotImplementedException();
                 if(iterator.hasNext())insert += ", ";
             }
diff --git a/test/javFiles/mathStruc.jav b/test/javFiles/mathStruc.jav
index a4ac4741..7bbb79be 100644
--- a/test/javFiles/mathStruc.jav
+++ b/test/javFiles/mathStruc.jav
@@ -4,15 +4,9 @@ mathStruc(A a) { ;}
 
 A model(){ A a; return a; }
 
-void methode(){
+methode(){
 auto innerOp = o -> ms ->
  new mathStruc<A>(o.apply(this.model(),ms.model()));
+ return innerOp;
  }
-}
-
-interface Fun1<A,B>{
-    A apply(B b);
-}
-interface Fun2<A,B,C>{
-    A apply(B b, C c);
 }
\ No newline at end of file
diff --git a/test/typeinference/JavaTXCompilerTest.java b/test/typeinference/JavaTXCompilerTest.java
index 92f5754b..f62dd5b5 100644
--- a/test/typeinference/JavaTXCompilerTest.java
+++ b/test/typeinference/JavaTXCompilerTest.java
@@ -26,8 +26,8 @@ public class JavaTXCompilerTest {
 
     @Test
     public void test() throws IOException, ClassNotFoundException {
-        //filesToTest.add(new File(rootDirectory+"mathStruc.jav"));
-        filesToTest.add(new File(rootDirectory+"Lambda.jav"));
+        filesToTest.add(new File(rootDirectory+"mathStruc.jav"));
+        //filesToTest.add(new File(rootDirectory+"Lambda.jav"));
         //filesToTest.add(new File(rootDirectory+"Lambda2.jav"));
         //filesToTest.add(new File(rootDirectory+"Lambda3.jav"));
         //filesToTest.add(new File(rootDirectory+"Vector.jav"));