diff --git a/src/lang/croatian.txt b/src/lang/croatian.txt
index e00ed68af8..22a6dd09dd 100644
--- a/src/lang/croatian.txt
+++ b/src/lang/croatian.txt
@@ -1023,6 +1023,7 @@ STR_GAME_OPTIONS_CURRENCY_ZAR                                   :Južnoafrički
 STR_GAME_OPTIONS_CURRENCY_CUSTOM                                :Proizvoljno...
 STR_GAME_OPTIONS_CURRENCY_GEL                                   :Gruzijski Lari (GEL)
 STR_GAME_OPTIONS_CURRENCY_IRR                                   :Iranski Rial (IRR)
+STR_GAME_OPTIONS_CURRENCY_RUB                                   :Nove ruske rublje (RUB)
 ############ end of currency region
 
 STR_GAME_OPTIONS_ROAD_VEHICLES_FRAME                            :{BLACK}Cestovna vozila