diff --git a/src/utils/getPublicationMetadataFromLeafletData.ts b/src/utils/getPublicationMetadataFromLeafletData.ts
index 76cff88c..32483bd4 100644
--- a/src/utils/getPublicationMetadataFromLeafletData.ts
+++ b/src/utils/getPublicationMetadataFromLeafletData.ts
@@ -29,14 +29,14 @@ export function getPublicationMetadataFromLeafletData(
     | null =
     data?.leaflets_in_publications?.[0] ||
     data?.permission_token_rights[0].entity_sets?.permission_tokens?.find(
-      (p) => p.leaflets_in_publications.length,
+      (p) => p.leaflets_in_publications?.length,
     )?.leaflets_in_publications?.[0];
 
   // If not found, check for standalone documents
   let standaloneDoc =
     data?.leaflets_to_documents?.[0] ||
     data?.permission_token_rights[0].entity_sets?.permission_tokens.find(
-      (p) => p.leaflets_to_documents.length,
+      (p) => p.leaflets_to_documents?.length,
     )?.leaflets_to_documents?.[0];
   if (!pubData && standaloneDoc) {
     // Transform standalone document data to match the expected format