diff --git a/services/web-ui/public/screens-admin.jsx b/services/web-ui/public/screens-admin.jsx
index 558166b..d727dcd 100644
--- a/services/web-ui/public/screens-admin.jsx
+++ b/services/web-ui/public/screens-admin.jsx
@@ -498,6 +498,7 @@ function GroupsPanel({ groups, users, onChange }) {
 function Tokens() {
   const [burned, setBurned] = React.useState(14340);
   const [rate, setRate] = React.useState(2.4);
+  const [showCalc, setShowCalc] = React.useState(false);
 
   React.useEffect(() => {
     const i = setInterval(() => {