diff --git a/swh/loader/svn/producer.py b/swh/loader/svn/producer.py
index 40bbd5f..aef1bba 100644
--- a/swh/loader/svn/producer.py
+++ b/swh/loader/svn/producer.py
@@ -1,61 +1,62 @@
 # Copyright (C) 2015-2016  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 import click
 import sys
 
 
 task_name = 'swh.loader.svn.tasks.LoadSvnRepositoryTsk'
 
 
 def libproduce(svn_url, original_svn_url, original_svn_uuid,
                destination_path=None, synchroneous=False):
     from swh.scheduler.celery_backend.config import app
     for module in app.conf.CELERY_IMPORTS:
         __import__(module)
 
     task = app.tasks[task_name]
     if not synchroneous and svn_url:
         task.delay(svn_url=svn_url,
                    original_svn_url=original_svn_url,
                    original_svn_uuid=original_svn_uuid,
                    destination_path=destination_path)
     elif synchroneous and svn_url:  # for debug purpose
         task(svn_url=svn_url,
              original_svn_url=original_svn_url,
              original_svn_uuid=original_svn_uuid,
              destination_path=destination_path)
     else:  # synchroneous flag is ignored in that case
         for svn_url in sys.stdin:
             svn_url = svn_url.rstrip()
-            print(svn_url)
-            task.delay(svn_url=svn_url,
-                       original_svn_url=original_svn_url,
-                       original_svn_uuid=original_svn_uuid,
-                       destination_path=destination_path)
+            if svn_url:
+                print(svn_url)
+                task.delay(svn_url=svn_url,
+                           original_svn_url=original_svn_url,
+                           original_svn_uuid=original_svn_uuid,
+                           destination_path=destination_path)
 
 
 @click.command()
 @click.option('--svn-url',
               help="svn repository's mirror url.")
 @click.option('--original-svn-url', default=None,
               help='svn repository\'s original remote url '
                    '(if different than --svn-url).')
 @click.option('--original-svn-uuid', default=None,
               help='svn repository\'s original uuid '
                    '(to provide when using --original-svn-url)')
 @click.option('--destination-path',
               help="(optional) svn checkout destination.")
 @click.option('--synchroneous',
               is_flag=True,
               help="To execute directly the svn loading.")
 def produce(svn_url, original_svn_url, original_svn_uuid, destination_path,
             synchroneous):
     libproduce(svn_url, original_svn_url, original_svn_uuid, destination_path,
                synchroneous)
 
 
 if __name__ == '__main__':
     produce()