diff --git a/packages/svelte2tsx/src/htmlxtojsx/index.ts b/packages/svelte2tsx/src/htmlxtojsx/index.ts
index cb6ba2ebc..88b9a32b8 100644
--- a/packages/svelte2tsx/src/htmlxtojsx/index.ts
+++ b/packages/svelte2tsx/src/htmlxtojsx/index.ts
@@ -24,6 +24,8 @@ const oneWayBindingAttributes: Map<string, ElementType> = new Map(
 const numberOnlyAttributes = new Set([
     'cols',
     'colspan',
+    'currenttime',
+    'defaultplaybackrate',
     'high',
     'low',
     'marginheight',
@@ -38,6 +40,7 @@ const numberOnlyAttributes = new Set([
     'start',
     'tabindex',
     'results',
+    'volume',
 ]);
 
 const beforeStart = (start: number) => start - 1;
diff --git a/packages/svelte2tsx/svelte-jsx.d.ts b/packages/svelte2tsx/svelte-jsx.d.ts
index f585ce4cb..30031b28e 100644
--- a/packages/svelte2tsx/svelte-jsx.d.ts
+++ b/packages/svelte2tsx/svelte-jsx.d.ts
@@ -250,9 +250,12 @@
       controls?: boolean;
       coords?: string;
       crossorigin?: string;
+      currenttime?: number;
       data?: string;
       datetime?: string;
       default?: boolean;
+      defaultmuted?: boolean;
+      defaultplaybackrate?: number;
       defer?: boolean;
       dir?: string;
       disabled?: boolean;
@@ -344,6 +347,7 @@
       type?: string;
       usemap?: string;
       value?: string | string[] | number;
+      volume?: number;
       width?: number | string;
       wmode?: string;
       wrap?: string;