diff --git a/code/game/gamemodes/nuclear/nuclear_challenge.dm b/code/game/gamemodes/nuclear/nuclear_challenge.dm
index 59aae11e11a..cfe00c03df6 100644
--- a/code/game/gamemodes/nuclear/nuclear_challenge.dm
+++ b/code/game/gamemodes/nuclear/nuclear_challenge.dm
@@ -50,8 +50,8 @@
 	if(user.z != ZLEVEL_CENTCOM)
 		user << "You have to be at your base to use this."
 		return 0
-	if(world.time > CHALLENGE_TIME_LIMIT)
-		user << "It's too late to declare hostilities. Your benefactors are already busy with other schemes. You'll have to make  do with what you have on hand."
+	if(world.time-round_start_time > CHALLENGE_TIME_LIMIT)
+		user << "It's too late to declare hostilities. Your benefactors are already busy with other schemes. You'll have to make do with what you have on hand."
 		return 0
 	for(var/V in syndicate_shuttle_boards)
 		var/obj/item/weapon/circuitboard/computer/syndicate_shuttle/board = V
diff --git a/code/game/objects/items/charter.dm b/code/game/objects/items/charter.dm
index a9d1fe72dbe..6f7fce327b7 100644
--- a/code/game/objects/items/charter.dm
+++ b/code/game/objects/items/charter.dm
@@ -33,7 +33,7 @@
 	if(used)
 		user << "This charter has already been used to name the station."
 		return
-	if(!ignores_timeout && (world.time > CHALLENGE_TIME_LIMIT)) //5 minutes
+	if(!ignores_timeout && (world.time-round_start_time > CHALLENGE_TIME_LIMIT)) //5 minutes
 		user << "The crew has already settled into the shift. \
 			It probably wouldn't be good to rename the station right now."
 		return