diff --git a/build-scripts/generate-epubs.ts b/build-scripts/generate-epubs.ts
index a17547ab..4e3f83f6 100644
--- a/build-scripts/generate-epubs.ts
+++ b/build-scripts/generate-epubs.ts
@@ -83,7 +83,8 @@ function rehypeMakeFixTwoSlashXHTML() {
 	};
 }
 
-const remarkTwoslash = (remarkTwoslashDefault as never as {default: typeof remarkTwoslashDefault}).default ? (remarkTwoslashDefault as never as {default: typeof remarkTwoslashDefault}).default : remarkTwoslashDefault;
+// https://github.com/shikijs/twoslash/issues/147
+const remarkTwoslash = (remarkTwoslashDefault as never as {default: typeof remarkTwoslashDefault}).default ?? remarkTwoslashDefault;
 
 async function generateEpubHTML(slug: string, content: string) {
 	const unifiedChain = unified()
diff --git a/build-scripts/social-previews/shared-post-preview-png.ts b/build-scripts/social-previews/shared-post-preview-png.ts
index f88ca14e..d2a9bdf8 100644
--- a/build-scripts/social-previews/shared-post-preview-png.ts
+++ b/build-scripts/social-previews/shared-post-preview-png.ts
@@ -14,15 +14,11 @@ import { findAllAfter } from "unist-util-find-all-after";
 import rehypeStringify from "rehype-stringify";
 import { fileURLToPath } from "url";
 
+// https://github.com/shikijs/twoslash/issues/147
 const remarkTwoslash = (
 	remarkTwoslashDefault as never as { default: typeof remarkTwoslashDefault }
 ).default
-	? (
-			remarkTwoslashDefault as never as {
-				default: typeof remarkTwoslashDefault;
-			}
-	  ).default
-	: remarkTwoslashDefault;
+	?? remarkTwoslashDefault;
 
 const __dirname = dirname(fileURLToPath(import.meta.url));