diff --git a/planetstack/ec2_observer/steps/sync_nodes.py b/planetstack/ec2_observer/steps/sync_nodes.py
index 0fa8b61..9f032ed 100644
--- a/planetstack/ec2_observer/steps/sync_nodes.py
+++ b/planetstack/ec2_observer/steps/sync_nodes.py
@@ -20,7 +20,7 @@
             return []
 
         deployment = Deployment.objects.filter(Q(name="Amazon EC2"))[0]
-        current_site_deployments = SiteDeployment.objects.filter(Q(deployment=deployment))
+        current_site_deployments = SiteDeployments.objects.filter(Q(deployment=deployment))
 
         zone_ret = aws_run('ec2 describe-availability-zones')
         zones = zone_ret['AvailabilityZones']