diff --git a/pybossa/jobs.py b/pybossa/jobs.py
index e6b25206f5..3b5b7bb5e5 100644
--- a/pybossa/jobs.py
+++ b/pybossa/jobs.py
@@ -276,9 +276,11 @@ def get_dashboard_jobs(queue='low'):  # pragma: no cover
 def get_leaderboard_jobs(queue='super'):  # pragma: no cover
     """Return leaderboard jobs."""
     timeout = current_app.config.get('TIMEOUT')
-    for leaderboard_key in current_app.config.get('LEADERBOARDS'):
-        yield dict(name=leaderboard, args=[], kwargs={'info': leaderboard_key},
-                   timeout=timeout, queue=queue)
+    leaderboards = current_app.config.get('LEADERBOARDS')
+    if leaderboards:
+        for leaderboard_key in leaderboards:
+            yield dict(name=leaderboard, args=[], kwargs={'info': leaderboard_key},
+                       timeout=timeout, queue=queue)
     yield dict(name=leaderboard, args=[], kwargs={},
                timeout=timeout, queue=queue)