diff --git a/src/components/ui/button/button.tsx b/src/components/ui/button/button.tsx
index 1866c39..b57fc8c 100644
--- a/src/components/ui/button/button.tsx
+++ b/src/components/ui/button/button.tsx
@@ -7,7 +7,7 @@ interface ButtonProps {
     children: ReactNode;
     variant?: ButtonVariant;
     onClick?: MouseEventHandler<HTMLDivElement>;
-    className?: string;
+    className?: string | undefined;
 }
 
 const Button = ({