--- a/langtools/test/tools/javac/modules/GraphsTest.java	Fri Aug 26 11:36:08 2016 -0700
+++ b/langtools/test/tools/javac/modules/GraphsTest.java	Fri Aug 26 15:54:36 2016 -0700
@@ -194,7 +194,7 @@
                 .write(modSrc);
         String log = new JavacTask(tb)
                 .options("-XDrawDiagnostics",
-                        "-modulesourcepath", modSrc.toString())
+                        "--module-source-path", modSrc.toString())
                 .outdir(Files.createDirectories(base.resolve("negative")))
                 .files(findJavaFiles(modSrc))
                 .run(Task.Expect.FAIL)