diff --git a/backend/app/tasks/quiz_tasks.py b/backend/app/tasks/quiz_tasks.py
index 63ae57d..2d9002f 100644
--- a/backend/app/tasks/quiz_tasks.py
+++ b/backend/app/tasks/quiz_tasks.py
@@ -130,6 +130,7 @@ def extract_quiz(
             chunks = [(s, min(e, q_end)) for s, e in chunks if s <= q_end]
             if not chunks:
                 chunks = [(section.start_page, q_end)]
+            n_chunks = len(chunks)  # update display count after filtering
 
         all_valid_questions = []
         all_skipped = []