diff --git a/packages/sdk/src/core/widgets/iframe.ts b/packages/sdk/src/core/widgets/iframe.ts
index 9ca7247..80a89db 100644
--- a/packages/sdk/src/core/widgets/iframe.ts
+++ b/packages/sdk/src/core/widgets/iframe.ts
@@ -180,7 +180,10 @@ function pickSrc(option: GoViewIframeOption): string {
     },
     3,
   );
-  if (html) return toDataHtmlUrl(html);
+  if (html) {
+    const extracted = extractSrcFromEmbedHtml(html);
+    return extracted || toDataHtmlUrl(html);
+  }
 
   // 3) List-ish shapes.
   const listUrl = pickFromNested(