diff --git a/modular_ss220/translations/code/ru_names/ru_name_base.dm b/modular_ss220/translations/code/ru_names/ru_name_base.dm
index 01bfaec18edc..3aeffcf56910 100644
--- a/modular_ss220/translations/code/ru_names/ru_name_base.dm
+++ b/modular_ss220/translations/code/ru_names/ru_name_base.dm
@@ -58,7 +58,7 @@ GLOBAL_LIST_EMPTY(ru_names)
 * Процедура выбора правильного падежа для любого предмета, если у него указан словарь «ru_names», примерно такой:
 * RU_NAMES_LIST_INIT("jaws of life", "челюсти жизни", "челюстей жизни", "челюстям жизни", "челюсти жизни", "челюстями жизни", "челюстях жизни")
 */
-/datum/proc/declent_ru(declent)
+/datum/proc/declent_ru(declent = NOMINATIVE)
 	CRASH("Unimplemented proc/declent_ru() was used")
 
 /proc/get_declented_value(list/declented_list, declent, backup_value)