diff --git a/parse.py b/parse.py
index 720b4a1..d8a8bbb 100644
--- a/parse.py
+++ b/parse.py
@@ -571,7 +571,7 @@ def voucher_create_handler(cmd):
     voucher_detail.name = cmd.n
     voucher_detail.decimals = cmd.v
 
-    random_ascii = "".join(random.choices(string.ascii_letters, k=2)).upper()
+    random_ascii = "".join(random.choices(string.ascii_letters, k=3)).upper()
     try:
         with open("vouchers.json", "r") as f:
             existing_vouchers = json.load(f)