diff --git a/packages/ui/src/components/markdown.tsx b/packages/ui/src/components/markdown.tsx
index f0180599..f6fcd091 100644
--- a/packages/ui/src/components/markdown.tsx
+++ b/packages/ui/src/components/markdown.tsx
@@ -13,7 +13,10 @@ let markdownModulePromise: Promise<MarkdownModule> | null = null
 
 function loadMarkdownModule(): Promise<MarkdownModule> {
   if (!markdownModulePromise) {
-    markdownModulePromise = import("../lib/markdown")
+    markdownModulePromise = import("../lib/markdown").catch((error) => {
+      markdownModulePromise = null
+      throw error
+    })
   }
   return markdownModulePromise
 }
diff --git a/packages/ui/src/lib/markdown.ts b/packages/ui/src/lib/markdown.ts
index 4d048516..6d041a1f 100644
--- a/packages/ui/src/lib/markdown.ts
+++ b/packages/ui/src/lib/markdown.ts
@@ -61,7 +61,10 @@ async function getOrCreateHighlighter() {
       themes: ["github-light", "github-light-high-contrast", "github-dark"],
       langs: [],
     })
-  })()
+  })().catch((error) => {
+    highlighterPromise = null
+    throw error
+  })
 
   highlighter = await highlighterPromise
   highlighterPromise = null