diff --git a/src/validate/html/validateElement.ts b/src/validate/html/validateElement.ts
index 2572fd29d4..16e5e05220 100644
--- a/src/validate/html/validateElement.ts
+++ b/src/validate/html/validateElement.ts
@@ -79,6 +79,17 @@ export default function validateElement(
});
}
+ if (node.name === 'svg') {
+ node.attributes.forEach(attribute => {
+ if (attribute.name === 'viewbox') {
+ validator.warn(
+ `