diff --git a/main.py b/main.py
index dd2af93..34e2825 100644
--- a/main.py
+++ b/main.py
@@ -47,8 +47,10 @@ def v_split(page):
    x = sum(x_clusters) / len(x_clusters)
    result = [page.within_bbox((0, 0, x, page.height)), page.within_bbox((x, 0, page.width, page.height))]
    if DEBUG:
+      i = 0
       for page in result:
-         debug_show(debug_im(page))
+         debug_show(debug_im(page), name=f'v-split-postsplit-{page.page_number}_{i}')
+         i += 1
    return result
 
 def cluster(page):