diff --git a/src/com/android/providers/contacts/ContactsProvider2.java b/src/com/android/providers/contacts/ContactsProvider2.java
index 410aaf4..08e26ef 100644
--- a/src/com/android/providers/contacts/ContactsProvider2.java
+++ b/src/com/android/providers/contacts/ContactsProvider2.java
@@ -5080,7 +5080,7 @@
             }
 
             case CONTACTS_AS_MULTI_VCARD: {
-                SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd_HHmmss");
+                SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.US);
                 String currentDateString = dateFormat.format(new Date()).toString();
                 return db.rawQuery(
                     "SELECT" +