diff --git a/rag/app/naive.py b/rag/app/naive.py
index 287c163b1..152a9e7e4 100644
--- a/rag/app/naive.py
+++ b/rag/app/naive.py
@@ -116,6 +116,8 @@ class Docx(DocxParser):
                         if c.text == r.cells[j].text:
                             span += 1
                             i = j
+                        else:
+                            break
                     i += 1
                     html += f"<td>{c.text}</td>" if span == 1 else f"<td colspan='{span}'>{c.text}</td>"
                 html += "</tr>"