diff --git a/test/bytecode/types/OverloadingTest.java b/test/bytecode/types/OverloadingTest.java
index 9e6b3a22..514264a3 100644
--- a/test/bytecode/types/OverloadingTest.java
+++ b/test/bytecode/types/OverloadingTest.java
@@ -2,7 +2,10 @@ package bytecode.types;
 
 import static org.junit.Assert.*;
 
+import java.io.File;
 import java.lang.reflect.Method;
+import java.net.URL;
+import java.net.URLClassLoader;
 import java.util.Vector;
 
 import org.junit.Test;
@@ -24,17 +27,22 @@ public class OverloadingTest extends BytecodeTest{
 			Class cls = getClassToTest();
 			Object obj = cls.newInstance();
 			
-			Vector<String> stringVector = new Vector<String>();
+			File file = new File(rootDirectory);
+		    URL url = file.toURL();
+		    URL[] urls = new URL[]{url};
+
+		    ClassLoader classLoader = new URLClassLoader(urls);
+
+		    Class stringVector =  classLoader.loadClass("java%util%Vector%%java%lang%String%");
 			
 			Class[] params = new Class[1];
-			params[0] = stringVector.getClass();
+			params[0] = stringVector;
 				
 			Method method = cls.getDeclaredMethod("method", params);
-			method.invoke(obj, stringVector);
+			method.invoke(obj, stringVector.newInstance());
 			assertTrue(true);
 		}catch(Exception e){
-			e.printStackTrace();
-			fail();
+			throw new RuntimeException(e);
 		}
 	}
 	
@@ -44,17 +52,22 @@ public class OverloadingTest extends BytecodeTest{
 			Class cls = getClassToTest();
 			Object obj = cls.newInstance();
 			
-			Vector<Integer> stringVector = new Vector<Integer>();
+			File file = new File(rootDirectory);
+		    URL url = file.toURL();
+		    URL[] urls = new URL[]{url};
+
+		    ClassLoader classLoader = new URLClassLoader(urls);
+
+		    Class integerVector =  classLoader.loadClass("java%util%Vector%%java%lang%Integer%");
 			
 			Class[] params = new Class[1];
-			params[0] = stringVector.getClass();
+			params[0] = integerVector;
 				
 			Method method = cls.getDeclaredMethod("method", params);
-			method.invoke(obj, stringVector);
+			method.invoke(obj, integerVector.newInstance());
 			assertTrue(true);
 		}catch(Exception e){
-			e.printStackTrace();
-			fail();
+			throw new RuntimeException(e);
 		}
 	}