diff --git a/code/game/objects/items/weapons/cards_ids.dm b/code/game/objects/items/weapons/cards_ids.dm
index 813b74fddf2..aa53d533db2 100644
--- a/code/game/objects/items/weapons/cards_ids.dm
+++ b/code/game/objects/items/weapons/cards_ids.dm
@@ -534,7 +534,7 @@
 						RebuildHTML()
 
 					if("Money Account")
-						var/new_account = tgui_input_number(user, "What money account would you like to link to this card?", "Agent Card Account", 12345)
+						var/new_account = tgui_input_number(user, "What money account would you like to link to this card?", "Agent Card Account", 12345, max_value = 9999999)
 						if(!Adjacent(user) || !new_account)
 							return
 						associated_account_number = new_account
diff --git a/code/modules/pda/nanobank.dm b/code/modules/pda/nanobank.dm
index 8163a4d7ec6..0d53fc5f84e 100644
--- a/code/modules/pda/nanobank.dm
+++ b/code/modules/pda/nanobank.dm
@@ -241,7 +241,7 @@
 		error_message(user, "Incorrect Credentials")
 
 /datum/data/pda/app/nanobank/proc/input_account_pin(mob/user)
-	var/attempt_pin = tgui_input_number(user, "Enter pin code", "NanoBank Account Auth")
+	var/attempt_pin = tgui_input_number(user, "Enter pin code", "NanoBank Account Auth", max_value = 99999)
 	if(!user_account || !attempt_pin)
 		return
 	return attempt_pin