diff --git a/src/components/CopyButton.tsx b/src/components/CopyButton.tsx
index 8cde0b0b2..52fcf6805 100644
--- a/src/components/CopyButton.tsx
+++ b/src/components/CopyButton.tsx
@@ -29,6 +29,8 @@ export function CopyButton({text, lang}: {text: string; lang: string}) {
 				</div>
 				<div className="relative">
 					<button
+						type="button"
+						aria-label={copied ? 'Copied' : 'Copy code'}
 						onClick={handleCopy}
 						onMouseEnter={() => setShowTooltip(true)}
 						onMouseLeave={() => setShowTooltip(false)}