diff --git a/src/engine/gnc-commodity.c b/src/engine/gnc-commodity.c
index 2d38320c52..27cf080c69 100644
--- a/src/engine/gnc-commodity.c
+++ b/src/engine/gnc-commodity.c
@@ -88,6 +88,7 @@ struct gnc_new_iso_code
   {"PLZ", "PLN"}, /* Polish Zloty */
   {"UAG", "UAH"}, /* Ukraine Hryvnia */
   {"ILS", "NIS"}, /* New Israeli Shekel */
+  {"MXP", "MXN"}, /* Mexican (Nuevo) Peso */
 
   /* Only add currencies to this table when the old currency no longer
    * exists in the file iso-4217-currencies.scm */
diff --git a/src/engine/iso-4217-currencies.scm b/src/engine/iso-4217-currencies.scm
index f8007eb4a3..532df7c33f 100644
--- a/src/engine/iso-4217-currencies.scm
+++ b/src/engine/iso-4217-currencies.scm
@@ -120,7 +120,7 @@
 ( "Maltese Lira" "lira" "cent"  "ISO4217" "MTL" "470" 100 100 )
 ( "Mauritanian Ouguiya" "ouguiya" "khoum"  "ISO4217" "MRO" "478" 5 5)
 ( "Mauritius Rupee" "rupee" "cent"  "ISO4217" "MUR" "480" 100 100 )
-( "Mexican Peso" "peso" "centavo" "ISO4217" "MXP" "484" 100 100 )
+( "Mexican Peso" "peso" "centavo" "ISO4217" "MXN" "484" 100 100 ) ;;sicne Jan 1993
 ( "Mongolian Tugrik" "tugrik" "mongo" "ISO4217" "MNT" "496" 100 100 )
 ( "Moroccan Dirham" "dirham" "centime"  "ISO4217" "MAD" "504" 100 100 )
 ( "Mozambique Metical" "metical" "centavo"  "ISO4217" "MZM" "508" 100 100 )