diff --git a/RAAspotter.py b/RAAspotter.py
index 7476b5b51d7cd7f235fb45f5147bbf623f88b5be..f989997e4e3d12b3e6f8e44d497c4403ec72b6b0 100644
--- a/RAAspotter.py
+++ b/RAAspotter.py
@@ -176,7 +176,9 @@ class RAAspotter:
 
         # On recherche les sous-pages
         sub_pages = soup.select(sub_page_element)
-        sub_pages_details = soup.select(details_element)
+        sub_pages_details = None
+        if details_element is not None:
+            soup.select(details_element)
         i = 0
         for sub_page in sub_pages:
             if sub_page.get('href'):