diff --git a/src/de/dhbwstuttgart/syntaxtree/type/GenericTypeVar.java b/src/de/dhbwstuttgart/syntaxtree/type/GenericTypeVar.java
index c7ced871..26b0c2cf 100755
--- a/src/de/dhbwstuttgart/syntaxtree/type/GenericTypeVar.java
+++ b/src/de/dhbwstuttgart/syntaxtree/type/GenericTypeVar.java
@@ -234,7 +234,7 @@ public class GenericTypeVar extends ObjectType
 	@Override
 	public org.apache.commons.bcel6.generic.Type getBytecodeType(ClassGenerator cg, TypeinferenceResultSet rs) {
 		// TODO Bytecode
-		return null;
+		return org.apache.commons.bcel6.generic.Type.getType(getSignatureType(null));// new org.apache.commons.bcel6.generic.ObjectType("Object");
 	}
 	
 	
diff --git a/test/bytecode/IdentityField.jav b/test/bytecode/IdentityField.jav
new file mode 100644
index 00000000..29781431
--- /dev/null
+++ b/test/bytecode/IdentityField.jav
@@ -0,0 +1,3 @@
+class Id {
+	<GPM, FNF extends GPM> Fun1<? extends GPM, ? super FNF> op = (x) -> x;	
+}
\ No newline at end of file
diff --git a/test/bytecode/IdentityFieldTest.java b/test/bytecode/IdentityFieldTest.java
new file mode 100644
index 00000000..e50b001e
--- /dev/null
+++ b/test/bytecode/IdentityFieldTest.java
@@ -0,0 +1,14 @@
+package bytecode;
+
+import org.junit.Test;
+
+public class IdentityFieldTest {
+	public final static String rootDirectory = System.getProperty("user.dir")+"/test/bytecode/";
+	public final static String testFile = "IdentityField.jav";
+	public final static String outputFile = "IdentityField.class";
+	
+	@Test
+	public void test() {
+		SingleClassTester.compileToBytecode(rootDirectory+testFile, rootDirectory+outputFile);
+	}
+}