--- old/test/jdk/java/lang/module/customfs/ModulesInCustomFileSystem.java	2018-09-26 16:32:26.000000000 -0700
+++ new/test/jdk/java/lang/module/customfs/ModulesInCustomFileSystem.java	2018-09-26 16:32:25.000000000 -0700
@@ -25,7 +25,8 @@
  * @test
  * @modules jdk.zipfs
  * @library /test/lib
- * @build ModulesInCustomFileSystem JarUtils m1/* m2/*
+ * @build ModulesInCustomFileSystem m1/* m2/*
+ *        jdk.test.lib.util.JarUtils
  * @run testng/othervm ModulesInCustomFileSystem
  * @summary Test ModuleFinder to find modules in a custom file system
  */
@@ -43,6 +44,8 @@
 import java.nio.file.Paths;
 import java.util.Set;
 
+import jdk.test.lib.util.JarUtils;
+
 import org.testng.annotations.Test;
 import static org.testng.Assert.*;