diff --git a/drupal2spip_lal/base/convert.py b/drupal2spip_lal/base/convert.py
index 7c43bc3..6dea37f 100644
--- a/drupal2spip_lal/base/convert.py
+++ b/drupal2spip_lal/base/convert.py
@@ -56,10 +56,14 @@ def strong_to_dl(html):
 def download(src, filename, force_download):
     if src and src.startswith('/'):
         src = 'http://{}{}'.format(settings.DRUPAL_FQDN, src)
+    elif src and src.startswith('sites/default/files/'):
+        src = 'http://{}/{}'.format(settings.DRUPAL_FQDN, src)
+    elif not re.match(r'^(https?)?://', src):
+        raise ValueError('Impossible de localiser: {}'.format(src))
 
     path = os.path.join(settings.SPIP_LOGO_DIR, filename)
 
-    if not os.access(path, os.R_OK) or force_download:
+    if not os.access(path, os.F_OK) or force_download:
         r = request.get(src, stream=True)
         with open(path, 'wb') as fd:
             for chunk in r.iter_content(chunk_size=128):
@@ -68,8 +72,18 @@ def download(src, filename, force_download):
 
 def fetch_document(src, filename, force_download):
     extension = filename.split('.')[-1] or 'unknown'
+    directory = os.path.join(settings.SPIP_LOGO_DIR, extension)
+    if not os.access(directory, os.F_OK):
+        try:
+            os.mkdir(directory)
+        except Exception as e:
+            logger.warn('Echec à creer le dossier: {}'.format(e))
+
     cible = os.path.join(extension, filename)
-    download(src, cible, force_download)
+    try:
+        download(src, cible, force_download)
+    except Exception as e:
+        logger.warn('Echec au download: {}'.format(e))
     return extension, cible
 
 
@@ -113,7 +127,7 @@ def fetch_and_remove_logo(article, force_download):
         article.texte = str(soup)
 
         article.save()
-    else:
+    elif src:
         logger.warn('Article {} has ignored logo: {}'.format(article.pk, src))