diff --git a/src/components/panel/security-auth/CopyButton.tsx b/src/components/panel/security-auth/CopyButton.tsx
index 1c7936c90..d558d1214 100644
--- a/src/components/panel/security-auth/CopyButton.tsx
+++ b/src/components/panel/security-auth/CopyButton.tsx
@@ -10,7 +10,7 @@ interface CopyButtonProps {
 export function CopyButton({ value }: CopyButtonProps) {
   const { t } = useTranslation();
   const [copied, setCopied] = useState(false);
-  const timerRef = useRef<ReturnType<typeof setTimeout>>();
+  const timerRef = useRef<ReturnType<typeof setTimeout>>(undefined);
 
   const handleCopy = () => {
     navigator.clipboard.writeText(value).catch(() => {});