diff --git a/src/main/java/de/dhbwstuttgart/target/generate/ASTToTargetAST.java b/src/main/java/de/dhbwstuttgart/target/generate/ASTToTargetAST.java
index bd122e55..61be1e8c 100644
--- a/src/main/java/de/dhbwstuttgart/target/generate/ASTToTargetAST.java
+++ b/src/main/java/de/dhbwstuttgart/target/generate/ASTToTargetAST.java
@@ -1,5 +1,6 @@
 package de.dhbwstuttgart.target.generate;
 
+import com.google.j2objc.annotations.LoopTranslation;
 import de.dhbwstuttgart.bytecode.funN.FunNGenerator;
 import de.dhbwstuttgart.core.JavaTXCompiler;
 import de.dhbwstuttgart.parser.NullToken;
@@ -145,7 +146,7 @@ public class ASTToTargetAST {
                 findTypeVariables(field.getType(), typeVariablesOfFields);
             }
 
-            findTypeVariables(method.getReturnType(), typeVariables);
+            //findTypeVariables(method.getReturnType(), typeVariables);
             for (var arg : method.getParameterList().getFormalparalist()) {
                 findTypeVariables(arg.getType(), typeVariables);
             }
@@ -155,6 +156,15 @@ public class ASTToTargetAST {
                 public void visit(LocalVarDecl localVarDecl) {
                     findTypeVariables(localVarDecl.getType(), typeVariables);
                 }
+
+                @Override
+                public void visit(MethodCall methodCall) {
+                    super.visit(methodCall);
+                    findTypeVariables(methodCall.getType(), typeVariables);
+                }
+
+                @Override
+                public void visit(Assign assign) {}
             });
 
             // Type variables with bounds that are also type variables of the method
@@ -221,6 +231,7 @@ public class ASTToTargetAST {
                                             for (var pair2 : simplifiedConstraints) {
                                                 if (!(pair2.right.equals(tph2) && pair2.left.equals(type)))
                                                     continue;
+                                                if (tph.equals(tph2)) continue;
 
                                                 var newPair = new PairTPHsmallerTPH(tph, tph2);
                                                 newPairs.add(newPair);
@@ -572,6 +583,8 @@ public class ASTToTargetAST {
         for (var i = 0; i < pars.size(); i++) {
             var type1 = convert(pars.get(i).getType());
             var type2 = convert(arguments.get(i).getType());
+            if (type2 instanceof TargetGenericType && type1 instanceof TargetGenericType)
+                return true;
             if (!type1.equals(type2)) return false;
         }
 
diff --git a/src/test/java/targetast/TestComplete.java b/src/test/java/targetast/TestComplete.java
index 7c22c388..cf8cdac8 100644
--- a/src/test/java/targetast/TestComplete.java
+++ b/src/test/java/targetast/TestComplete.java
@@ -355,8 +355,8 @@ public class TestComplete {
     @Test
     public void tph4Test() throws Exception {
         var classFiles = generateClassFiles("Tph4.jav", new ByteArrayClassLoader());
-        var tph5 = classFiles.get("Tph4");
-        var instance = tph5.getDeclaredConstructor().newInstance();
+        var tph4 = classFiles.get("Tph4");
+        var instance = tph4.getDeclaredConstructor().newInstance();
     }
 
     @Test