diff --git a/modules/textual_inversion/preprocess.py b/modules/textual_inversion/preprocess.py
index 3713bc897..6bba3852b 100644
--- a/modules/textual_inversion/preprocess.py
+++ b/modules/textual_inversion/preprocess.py
@@ -82,7 +82,7 @@ def preprocess_work(process_src, process_dst, process_width, process_height, pre
         subindex[0] += 1
 
     def save_pic(image, index, existing_caption=None):
-        save_pic_with_caption(image, index)
+        save_pic_with_caption(image, index, existing_caption=existing_caption)
 
         if process_flip:
             save_pic_with_caption(ImageOps.mirror(image), index, existing_caption=existing_caption)