diff --git a/test/lib/jdk/test/lib/process/ProcessTools.java b/test/lib/jdk/test/lib/process/ProcessTools.java
index 89ef525672903..b4ee084d69f6a 100644
--- a/test/lib/jdk/test/lib/process/ProcessTools.java
+++ b/test/lib/jdk/test/lib/process/ProcessTools.java
@@ -921,7 +921,7 @@ public static void main(String[] args) throws Throwable {
         String className = args[1];
         String[] classArgs = new String[args.length - 2];
         System.arraycopy(args, 2, classArgs, 0, args.length - 2);
-        Class c = Class.forName(className);
+        Class<?> c = Class.forName(className);
         Method mainMethod = c.getMethod("main", new Class[] { String[].class });
         mainMethod.setAccessible(true);