diff --git a/index.android.js b/index.android.js
index 784e5fd..a1164c5 100644
--- a/index.android.js
+++ b/index.android.js
@@ -6,7 +6,8 @@ class Locale extends LocaleBaseClass {
 	 * Android can't pass Long's as ReactMethod arguments so send a string that is parsed
 	 */
 	static dateFormat(date : Date, dateStyle : string, timeStyle : string) {
-		return LocaleBaseClass.dateFormat(''+date.getTime(), dateStyle, timeStyle);
+		var dt = new Date(date);
+		return LocaleBaseClass.dateFormat(''+dt.getTime(), dateStyle, timeStyle);
 	}
 
 }