diff --git a/arches/app/search/time_wheel.py b/arches/app/search/time_wheel.py
index 38b174db76e..2cccf81f0df 100644
--- a/arches/app/search/time_wheel.py
+++ b/arches/app/search/time_wheel.py
@@ -170,7 +170,7 @@ def appendDateRanges(self, results, range_lookup):
         return results
 
     def get_permitted_nodegroups(self, user):
-        return [str(nodegroup.pk) for nodegroup in get_nodegroups_by_perm(user, "models.read_nodegroup")]
+        return get_nodegroups_by_perm(user, "models.read_nodegroup")
 
 
 class d3Item(object):