diff --git a/src/agenda_culturel/import_tasks/extractor_facebook.py b/src/agenda_culturel/import_tasks/extractor_facebook.py
index fd131a5..22dbb3d 100644
--- a/src/agenda_culturel/import_tasks/extractor_facebook.py
+++ b/src/agenda_culturel/import_tasks/extractor_facebook.py
@@ -231,10 +231,15 @@ class FacebookEventExtractor(Extractor):
     def clean_url(url):
         if FacebookEventExtractor.is_known_url(url):
             u = urlparse(url)
-            return "https://www.facebook.com" + u.path
+            result = "https://www.facebook.com" + u.path
+            if result[-1] == "/":
+                return result[:-1]
+            else:
+                return result
         else:
             return url
 
+
     def is_known_url(url):
         u = urlparse(url)
         return u.netloc in ["facebook.com", "www.facebook.com", "m.facebook.com"]