diff --git a/rag/app/qa.py b/rag/app/qa.py
index ace5b4970..fee46ad57 100644
--- a/rag/app/qa.py
+++ b/rag/app/qa.py
@@ -119,7 +119,7 @@ class Pdf(PdfParser):
             if not has_bull:  # No question bullet
                 if not last_q:
                     if tbl_pn < line_pn or (tbl_pn == line_pn and tbl_top <= line_top):    # image passed
-                        tbls_index += 1
+                        tbl_index += 1
                     continue
                 else:
                     sum_tag = line_tag