diff --git a/pom.xml b/pom.xml
index 95b20386..2f5df9a2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -118,7 +118,7 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 					</descriptorRefs>
 				</configuration>
 			</plugin>
-		</plugins>
+        </plugins>
 	</build>
 	<repositories>
 		<repository>
@@ -129,8 +129,8 @@ http://maven.apache.org/maven-v4_0_0.xsd">
 	<properties>
 	    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-		<maven.compiler.source>1.8</maven.compiler.source>
-		<maven.compiler.target>1.8</maven.compiler.target>
+		<maven.compiler.source>18</maven.compiler.source>
+		<maven.compiler.target>18</maven.compiler.target>
 		<tycho.version>0.23.0</tycho.version>
 		<mainClass>de.dhbwstuttgart.core.ConsoleInterface</mainClass>
 	</properties>
diff --git a/src/main/java/de/dhbwstuttgart/typeinference/assumptions/FieldAssumption.java b/src/main/java/de/dhbwstuttgart/typeinference/assumptions/FieldAssumption.java
index 305fa55f..ee18ea7c 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/assumptions/FieldAssumption.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/assumptions/FieldAssumption.java
@@ -39,7 +39,7 @@ public class FieldAssumption extends Assumption{
         for(GenericTypeVar gtv : receiverClass.getGenerics()){
             //Hier wird ein GenericRefType gebildet, welcher einen für dieses Feld eindeutigen Namen hat
             GenericRefType genericRefType =
-                    new GenericRefType(receiverClass.getClassName().toString() + " " + name + " " + gtv.getName()
+                    new GenericRefType(gtv.getName()
                             , new NullToken());
             //Dieser wird dann korrekt aufgelöst vom Resolver:
             params.add(resolver.resolve(genericRefType));
diff --git a/src/main/java/de/dhbwstuttgart/typeinference/assumptions/TypeInferenceInformation.java b/src/main/java/de/dhbwstuttgart/typeinference/assumptions/TypeInferenceInformation.java
index cbb941f3..3a215bc3 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/assumptions/TypeInferenceInformation.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/assumptions/TypeInferenceInformation.java
@@ -47,7 +47,7 @@ public class TypeInferenceInformation {
             for(Field m : cl.getFieldDecl()){
                 if(m.getName().equals(name)){
 
-                    ret.add(new FieldAssumption(name, cl, checkGTV(m.getType()), new TypeScopeContainer(cl, m)));
+                    ret.add(new FieldAssumption(name, cl, m.getType(), new TypeScopeContainer(cl, m)));
                 }
             }
         }
diff --git a/src/test/java/typeinference/JavaTXCompilerTest.java b/src/test/java/typeinference/JavaTXCompilerTest.java
index 3fa1562b..7a062779 100644
--- a/src/test/java/typeinference/JavaTXCompilerTest.java
+++ b/src/test/java/typeinference/JavaTXCompilerTest.java
@@ -33,6 +33,10 @@ public class JavaTXCompilerTest {
         execute(new File(rootDirectory+"Import.jav"));
     }
     @Test
+    public void fieldTest() throws IOException, ClassNotFoundException {
+        execute(new File(rootDirectory+"FieldAccess.jav"));
+    }
+    @Test
     public void lambda() throws IOException, ClassNotFoundException {
         execute(new File(rootDirectory+"Lambda.jav"));
     }
diff --git a/src/test/resources/javFiles/FieldAccess.jav b/src/test/resources/javFiles/FieldAccess.jav
new file mode 100644
index 00000000..894bb6e1
--- /dev/null
+++ b/src/test/resources/javFiles/FieldAccess.jav
@@ -0,0 +1,13 @@
+class Box<A> {
+A f;
+}
+class B {
+ }
+
+class Box_Main extends B {
+
+    m(b) {
+    	b.f = new Box_Main();
+    	b.f = new B();
+    }
+}
\ No newline at end of file