diff --git a/src/project/types/website/listing/website-listing-template.ts b/src/project/types/website/listing/website-listing-template.ts
index 50a538b23a..6b37f380d5 100644
--- a/src/project/types/website/listing/website-listing-template.ts
+++ b/src/project/types/website/listing/website-listing-template.ts
@@ -127,7 +127,7 @@ export function templateMarkdownHandler(
         }
       }
 
-      if (item.description !== undefined && !isPlaceHolder(item.description)) {
+      if (typeof item.description === "string" && !isPlaceHolder(item.description)) {
         const maxDescLength = listing[kMaxDescLength] as number ||
           -1;
         if (maxDescLength > 0) {