diff --git a/awx/ui/src/screens/InstanceGroup/Instances/InstanceList.js b/awx/ui/src/screens/InstanceGroup/Instances/InstanceList.js
index f87c6cae62..f0a87fe653 100644
--- a/awx/ui/src/screens/InstanceGroup/Instances/InstanceList.js
+++ b/awx/ui/src/screens/InstanceGroup/Instances/InstanceList.js
@@ -147,7 +147,10 @@ function InstanceList() {
   const fetchInstancesToAssociate = useCallback(
     (params) =>
       InstancesAPI.read(
-        mergeParams(params, { not__rampart_groups__id: instanceGroupId })
+        mergeParams(params, {
+          ...{ not__rampart_groups__id: instanceGroupId },
+          ...{ not__node_type: 'control' },
+        })
       ),
     [instanceGroupId]
   );