diff --git a/ChangeLog b/ChangeLog
index 23d5f8cb44..eea46657bc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-10-31  Chris Leonard  <cjl@sugarlabs.org>
+
+	* locale/iso-639.def: Add Meadow Mari (mhr).
+
 2013-10-31  Ondřej Bílka  <neleai@seznam.cz>
 
 	[BZ #14752], [BZ #15763]
diff --git a/locale/iso-639.def b/locale/iso-639.def
index b71b07f01a..b04dff1f39 100644
--- a/locale/iso-639.def
+++ b/locale/iso-639.def
@@ -311,6 +311,7 @@ DEFINE_LANGUAGE_CODE ("Marshallese", mh, mah, mah)
 DEFINE_LANGUAGE_CODE3 ("Marwari", mwr, mwr)
 DEFINE_LANGUAGE_CODE3 ("Masai", mas, mas)
 DEFINE_LANGUAGE_CODE3 ("Mayan languages", myn, myn)
+DEFINE_LANGUAGE_CODE3 ("Meadow Mari", mhr, mhr)
 DEFINE_LANGUAGE_CODE3 ("Mende", men, men)
 DEFINE_LANGUAGE_CODE3 ("Mi'kmaq; Micmac", mic, mic)
 DEFINE_LANGUAGE_CODE3 ("Minangkabau", min, min)