diff --git a/demo/src/main/java/com/evernote/android/job/demo/DemoSyncEngine.java b/demo/src/main/java/com/evernote/android/job/demo/DemoSyncEngine.java
index 298e3227..ba6d9211 100644
--- a/demo/src/main/java/com/evernote/android/job/demo/DemoSyncEngine.java
+++ b/demo/src/main/java/com/evernote/android/job/demo/DemoSyncEngine.java
@@ -19,7 +19,7 @@
  */
 public class DemoSyncEngine {
 
-    private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("HH:mm:ss.SSS", Locale.getDefault());
+    private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("HH:mm:ss.SSS", Locale.US);
 
     private final Context mContext;