diff --git a/src/main/java/de/dhbwstuttgart/parser/SyntaxTreeGenerator/StatementGenerator.java b/src/main/java/de/dhbwstuttgart/parser/SyntaxTreeGenerator/StatementGenerator.java
index 2b3c99fdd..f638957d9 100644
--- a/src/main/java/de/dhbwstuttgart/parser/SyntaxTreeGenerator/StatementGenerator.java
+++ b/src/main/java/de/dhbwstuttgart/parser/SyntaxTreeGenerator/StatementGenerator.java
@@ -803,11 +803,12 @@ public class StatementGenerator {
         }else {
             Java8Parser.MethodInvocation_lf_primaryContext ctxt = e.methodInvocation_lf_primary();
             String methodName = ctxt.Identifier().toString();
-            ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes = ctxt.argumentList().expression().stream()
+            ArrayList<RefTypeOrTPHOrWildcardOrGeneric> signature = ctxt.argumentList().expression().stream()
             		.map(x -> TypePlaceholder.fresh(e.getStart()))
             		.collect(Collectors.toCollection(ArrayList::new));
+            signature.add(TypePlaceholder.fresh(e.getStart())); //ReturnType
             return new MethodCall(TypePlaceholder.fresh(e.getStart()), getReceiver(expr), methodName, 
-            		convert(ctxt.argumentList()), TypePlaceholder.fresh(e.getStart()), argTypes, e.getStart());
+            		convert(ctxt.argumentList()), TypePlaceholder.fresh(e.getStart()), signature, e.getStart());
         }
     }
     
diff --git a/src/main/java/de/dhbwstuttgart/syntaxtree/statement/MethodCall.java b/src/main/java/de/dhbwstuttgart/syntaxtree/statement/MethodCall.java
index ad1cbf3ee..a7aea577a 100644
--- a/src/main/java/de/dhbwstuttgart/syntaxtree/statement/MethodCall.java
+++ b/src/main/java/de/dhbwstuttgart/syntaxtree/statement/MethodCall.java
@@ -25,16 +25,18 @@ public class MethodCall extends Statement
     public final ArgumentList arglist;
     
     public RefTypeOrTPHOrWildcardOrGeneric receiverType;
-    public final ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes; //sind Tphs, repraesentieren im Resultset die Typen der aufgerufenen Methoden 
+    
+    //sind Tphs, repraesentieren im Resultset die Signatur der aufgerufenen Methoden, letztes Element ist der Returntyp
+    public final ArrayList<RefTypeOrTPHOrWildcardOrGeneric> signature;  
     
     public MethodCall(RefTypeOrTPHOrWildcardOrGeneric retType, Receiver receiver, String methodName, ArgumentList argumentList, 
-    		          RefTypeOrTPHOrWildcardOrGeneric receiverType, ArrayList<RefTypeOrTPHOrWildcardOrGeneric> argTypes, Token offset){
+    		          RefTypeOrTPHOrWildcardOrGeneric receiverType, ArrayList<RefTypeOrTPHOrWildcardOrGeneric> signature, Token offset){
 		super(retType,offset);
 		this.arglist = argumentList;
         this.name = methodName;
         this.receiver = receiver;
         this.receiverType = receiverType;
-        this.argTypes = argTypes;
+        this.signature = signature;
 	}
     
 
diff --git a/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java b/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
index 69ba4b9a9..e9c39fed7 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/typeAlgo/TYPEStmt.java
@@ -655,8 +655,8 @@ public class TYPEStmt implements StatementVisitor{
             RefTypeOrTPHOrWildcardOrGeneric argType = foMethod.arglist.getArguments().get(i).getType();
             RefTypeOrTPHOrWildcardOrGeneric assType = assumption.getArgTypes(resolver).get(i);
             
-            //Zuordnung von MethoCall.argTypes zu der Argumenttypen der ausgewaehlten Methode (assumption.params)
-            ret.add(new Pair(foMethod.argTypes.get(i), assumption.getArgTypes().get(i), PairOperator.EQUALSDOT));
+            //Zuordnung von MethoCall.signature (Argumenttypen) zu der Argumenttypen der ausgewaehlten Methode (assumption.params)
+            ret.add(new Pair(foMethod.signature.get(i), assumption.getArgTypes().get(i), PairOperator.EQUALSDOT));
             
             ret.add(new Pair(argType, assType, PairOperator.SMALLERDOT));
             
@@ -664,6 +664,10 @@ public class TYPEStmt implements StatementVisitor{
           //  ret.add(new Pair(foMethod.argTypes.get(i), assType, PairOperator.EQUALSDOT));
           //Fuer Bytecodegenerierung PL 2020-03-09 wird derzeit nicht benutzt ENDE
         }
+        
+        //Zuordnung von MethodCall.signature(ReturnType) zu dem ReturnType der ausgewaehlten Methode (assumption.returnType)
+        ret.add(new Pair(foMethod.signature.get(foMethod.signature.size()), assumption.getReturnType(), PairOperator.EQUALSDOT));
+        
         return ret;
     }