diff --git a/participation/models.py b/participation/models.py
index 18307bd..a6b0094 100644
--- a/participation/models.py
+++ b/participation/models.py
@@ -1414,8 +1414,8 @@ class Pool(models.Model):
 
             if has_observer:
                 merge_cells.append(f"{getcol(9 + i * passage_width)}2:{getcol(10 + i * passage_width)}2")
-            merge_cells.append(f"{getcol(9 + i * passage_width)}{max_row + 3}"
-                               f":{getcol(10 + i * passage_width)}{max_row + 3}")
+                merge_cells.append(f"{getcol(9 + i * passage_width)}{max_row + 3}"
+                                   f":{getcol(10 + i * passage_width)}{max_row + 3}")
         merge_cells.append(f"A{max_row + 1}:B{max_row + 1}")
         merge_cells.append(f"A{max_row + 2}:B{max_row + 2}")
         merge_cells.append(f"A{max_row + 3}:B{max_row + 3}")