diff --git a/geonode/harvesting/harvesters/geonodeharvester.py b/geonode/harvesting/harvesters/geonodeharvester.py
index d5bac6d1b0b..8723eb85455 100644
--- a/geonode/harvesting/harvesters/geonodeharvester.py
+++ b/geonode/harvesting/harvesters/geonodeharvester.py
@@ -33,6 +33,7 @@
 from django.contrib.gis import geos
 from lxml import etree
 
+from geonode.base.models import ResourceBase
 from geonode.documents.models import Document
 from geonode.layers.models import Dataset
 from geonode.maps.models import Map