diff --git a/src/view/hocs/withYfmHtml/index.tsx b/src/view/hocs/withYfmHtml/index.tsx
index c7ca29d50..3e9f4320c 100644
--- a/src/view/hocs/withYfmHtml/index.tsx
+++ b/src/view/hocs/withYfmHtml/index.tsx
@@ -15,6 +15,7 @@ export type WithYfmHtmlBlockOptions = {
 export type WithYfmHtmlBlockProps = {
     meta: TransformMeta;
     yfmHtmlBlockConfig?: IHTMLIFrameElementConfig;
+    /** Works only with html-extension dep version 2.7.1 and higher  */
     htmlRuntimeConfig?: HTMLRuntimeConfig;
 };
 
diff --git a/src/view/hocs/withYfmHtml/useYfmHtmlBlockRuntime.ts b/src/view/hocs/withYfmHtml/useYfmHtmlBlockRuntime.ts
index c849b660a..3353fa53a 100644
--- a/src/view/hocs/withYfmHtml/useYfmHtmlBlockRuntime.ts
+++ b/src/view/hocs/withYfmHtml/useYfmHtmlBlockRuntime.ts
@@ -10,7 +10,8 @@ export function useYfmHtmlBlockRuntime(
     htmlRuntimeConfig: HTMLRuntimeConfig = {},
 ) {
     if (meta?.script?.includes(runtime)) {
-        setupRuntimeConfig(htmlRuntimeConfig);
+        // MAJOR: update html-extension peer on ^2.7.1 and remove optional chain
+        setupRuntimeConfig?.(htmlRuntimeConfig);
         import(/* webpackChunkName: "yfm-html-runtime" */ '@diplodoc/html-extension/runtime');
     }
 }