diff --git a/make_book.py b/make_book.py
index 1a4eb3d..710767f 100644
--- a/make_book.py
+++ b/make_book.py
@@ -192,6 +192,8 @@ class BEPUB:
                             self.p_to_save.append(new_p.text)
                         p.insert_after(new_p)
                         index += 1
+                        if index % 50 == 0:
+                            self.save_progress()
                         if IS_TEST and index > TEST_NUM:
                             break
                     i.content = soup.prettify().encode()