diff --git a/InvenTree/part/bom.py b/InvenTree/part/bom.py
index 43c6ea7ca7..ab7c9ed658 100644
--- a/InvenTree/part/bom.py
+++ b/InvenTree/part/bom.py
@@ -67,7 +67,7 @@ def ExportBom(part, fmt='csv', cascade=False, max_levels=None):
 
             bom_items.append(item)
 
-            if item.sub_part.assembly:            
+            if item.sub_part.assembly:    
                 if max_levels is None or level < max_levels:
                     add_items(item.sub_part.bom_items.all().order_by('id'), level + 1)