diff --git a/test/138-duplicate-classes-check2/src/Main.java b/test/138-duplicate-classes-check2/src/Main.java
index a9b5bb0..a0d6977 100644
--- a/test/138-duplicate-classes-check2/src/Main.java
+++ b/test/138-duplicate-classes-check2/src/Main.java
@@ -33,7 +33,7 @@
         FancyLoader loader = new FancyLoader(getClass().getClassLoader());
 
         try {
-            Class testEx = loader.loadClass("TestEx");
+            Class<?> testEx = loader.loadClass("TestEx");
             Method test = testEx.getDeclaredMethod("test");
             test.invoke(null);
         } catch (Exception exc) {