diff --git a/main.py b/main.py
index 3982fb9..17418f0 100644
--- a/main.py
+++ b/main.py
@@ -20,16 +20,15 @@ def de_column_ify():
          for i in range(len(pdf.pages)):
             log("getting", i, "of", len(pdf.pages))
             got = q.get()
-            debug.draw_boxes(got[0] , [
-               {
-                  "x0": i.chars[0]["x0"],
-                  "x1": i.chars[0]["x1"],
-                  "y0": i.chars[0]["y0"],
-                  "y1": i.chars[0]["y1"],
-                  "debug_label": i.n,
-               }
-               for i in got[1] if i.chars
-            ])
+            for got_i in got[1]:
+               if got_i.chars:
+                  debug.draw_boxes(got_i.page, [{
+                     "x0": got_i.chars[0]["x0"],
+                     "x1": got_i.chars[0]["x1"],
+                     "y0": got_i.chars[0]["y0"],
+                     "y1": got_i.chars[0]["y1"],
+                     "debug_label": got_i.n,
+                  }])
 
 def de_columnify_page(q, page):
    result = cluster.Chars(page.chars, page).divide_into_columns()