diff --git a/lib/mv_web/live/membership_fee_type_live/form.ex b/lib/mv_web/live/membership_fee_type_live/form.ex
index 5a1d1d8..b0f97c9 100644
--- a/lib/mv_web/live/membership_fee_type_live/form.ex
+++ b/lib/mv_web/live/membership_fee_type_live/form.ex
@@ -46,6 +46,7 @@ defmodule MvWeb.MembershipFeeTypeLive.Form do
           label={gettext("Amount")}
           step="0.01"
           min="0"
+          pattern="[0-9]+(\.[0-9]{1,2})?"
           required
         />