--- old/test/tools/jmod/JmodTest.java	2017-01-12 21:02:40.000000000 -0800
+++ new/test/tools/jmod/JmodTest.java	2017-01-12 21:02:39.000000000 -0800
@@ -585,7 +585,8 @@
         // Ensure that there are no problems if existing
 
         Path jmod = MODS_DIR.resolve("testTmpFileAlreadyExists.jmod");
-        Path tmp = MODS_DIR.resolve("testTmpFileAlreadyExists.jmod.tmp");
+        Path tmpdir = Paths.get(System.getProperty("java.io.tmpdir"));
+        Path tmp = tmpdir.resolve("testTmpFileAlreadyExists.jmod.tmp");
         FileUtils.deleteFileIfExistsWithRetry(jmod);
         FileUtils.deleteFileIfExistsWithRetry(tmp);
         Files.createFile(tmp);