diff --git a/src/agenda_culturel/import_tasks/extractor_facebook.py b/src/agenda_culturel/import_tasks/extractor_facebook.py
index c56167d..5894912 100644
--- a/src/agenda_culturel/import_tasks/extractor_facebook.py
+++ b/src/agenda_culturel/import_tasks/extractor_facebook.py
@@ -244,9 +244,9 @@ class FacebookEventExtractor(Extractor):
                 result = match[1] + "/" + match[3]
 
             if result[-1] == "/":
-                return result[:-1]
-            else:
                 return result
+            else:
+                return result + "/"
         else:
             return url