diff --git a/test/107-int-math2/src/Main.java b/test/107-int-math2/src/Main.java
index 0c91d44..ec5678d 100644
--- a/test/107-int-math2/src/Main.java
+++ b/test/107-int-math2/src/Main.java
@@ -104,7 +104,7 @@
     }
 
     static int constClassTest(int x) {
-        Class c = String.class;
+        Class<?> c = String.class;
         if (c != null) {
            return x * 2;
         } else {