diff --git a/src/lang/spanish_MX.txt b/src/lang/spanish_MX.txt
index fd2a926574..b1486affac 100644
--- a/src/lang/spanish_MX.txt
+++ b/src/lang/spanish_MX.txt
@@ -928,6 +928,7 @@ STR_GAME_OPTIONS_CURRENCY_ZAR                                   :Rand sudafrican
 STR_GAME_OPTIONS_CURRENCY_CUSTOM                                :Personalizada...
 STR_GAME_OPTIONS_CURRENCY_GEL                                   :Lari georgiano (GEL)
 STR_GAME_OPTIONS_CURRENCY_IRR                                   :Rial iraní (IRR)
+STR_GAME_OPTIONS_CURRENCY_RUB                                   :Nuevo rublo ruso (RUR)
 ############ end of currency region
 
 STR_GAME_OPTIONS_ROAD_VEHICLES_FRAME                            :{BLACK}Vehículos de carretera