diff --git a/src/jsx/element-types.d.ts b/src/jsx/element-types.d.ts
index 7f41dc5a2..1020656c0 100644
--- a/src/jsx/element-types.d.ts
+++ b/src/jsx/element-types.d.ts
@@ -124,6 +124,7 @@ declare namespace JSX {
         ismap?: string;
         width?: string;
         height?: string;
+        loading?: string;
     }
     interface HtmlInputTag extends HtmlTag {
         accept?: string;