diff --git a/giraph-core/src/test/java/org/apache/giraph/generate/GeneratePrimitiveClasses.java b/giraph-core/src/test/java/org/apache/giraph/generate/GeneratePrimitiveClasses.java
index df1211c93..5fbf8284d 100644
--- a/giraph-core/src/test/java/org/apache/giraph/generate/GeneratePrimitiveClasses.java
+++ b/giraph-core/src/test/java/org/apache/giraph/generate/GeneratePrimitiveClasses.java
@@ -26,6 +26,8 @@
 import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.Map;
+import java.nio.file.Paths;
+import java.nio.file.Files;
 
 import freemarker.core.ParseException;
 import freemarker.template.Configuration;
@@ -252,7 +254,7 @@ private static void generateAndWrite(Configuration cfg, Map<String, Object> prop
           throws TemplateNotFoundException, MalformedTemplateNameException, ParseException,
           IOException, FileNotFoundException, TemplateException {
     Template temp = cfg.getTemplate(template);
-    Writer out = new OutputStreamWriter(new FileOutputStream(outputFile));
+    Writer out = new OutputStreamWriter(Files.newOutputStream(Paths.get(outputFile)));
     temp.process(props, out);
     out.close();
   }