diff --git a/code/__HELPERS/unsorted.dm b/code/__HELPERS/unsorted.dm
index 43a11275a..4d4b33317 100644
--- a/code/__HELPERS/unsorted.dm
+++ b/code/__HELPERS/unsorted.dm
@@ -1616,3 +1616,8 @@ GLOBAL_DATUM_INIT(dview_mob, /mob/dview, new)
 		return input
 	else
 		return 1
+
+// -------- ECONOMY RELATED GLOBAL LISTS
+GLOBAL_LIST_INIT(ITEM_DOES_NOT_GENERATE_VAULT_RENT, typecacheof(list(
+	/obj/item/roguecoin
+	)))
diff --git a/code/controllers/subsystem/rogue/treasury.dm b/code/controllers/subsystem/rogue/treasury.dm
index 9dbb710e9..423efdc63 100644
--- a/code/controllers/subsystem/rogue/treasury.dm
+++ b/code/controllers/subsystem/rogue/treasury.dm
@@ -114,8 +114,10 @@ SUBSYSTEM_DEF(treasury)
 		*/
 		if(!I.submitted_to_stockpile)
 			I.submitted_to_stockpile = TRUE
-		//Passive income is 25% of the items worth.
-		passive_income += (I.get_real_price()*0.25)
+		//Passive income is 10% of the items worth.
+		if(is_type_in_typecache(I, GLOB.ITEM_DOES_NOT_GENERATE_VAULT_RENT) )
+			passive_income += (I.get_real_price()*0) // coin gives no interest, need to have rare items or refined products
+		else	passive_income += (I.get_real_price()*0.1)
 	return passive_income
 
 /*