diff --git a/src/utils/text-tools.ts b/src/utils/text-tools.ts
index 949518f..660e469 100644
--- a/src/utils/text-tools.ts
+++ b/src/utils/text-tools.ts
@@ -24,7 +24,7 @@ export function repairMarkdownFootnotes(
 
   // Helper function to format references
   const formatReferences = (refs: Array<Reference>) => {
-    return refs.map((ref, i) => {
+    return refs.filter(ref => ref?.url && ref?.title && ref?.exactQuote).map((ref, i) => {
       const cleanQuote = (ref?.exactQuote || '')
         .replace(/[^\p{L}\p{N}\s]/gu, ' ')
         .replace(/\s+/g, ' ').trim();