diff --git a/arte_api.py b/arte_api.py
index cdb7883..9559f54 100644
--- a/arte_api.py
+++ b/arte_api.py
@@ -124,9 +124,9 @@ async def fetch_concerts(page: int = 1, search: str = "", page_size: int = 24) -
         q = search.lower()
         filtered = [
             c for c in all_c
-            if q in c["title"].lower()
-            or q in c.get("subtitle", "").lower()
-            or q in c.get("description", "").lower()
+            if q in (c.get("title") or "").lower()
+            or q in (c.get("subtitle") or "").lower()
+            or q in (c.get("description") or "").lower()
         ]
     start = (page - 1) * page_size
     return {