diff --git a/openpype/plugins/publish/extract_hierarchy_to_ayon.py b/openpype/plugins/publish/extract_hierarchy_to_ayon.py
index de9a70c233..36a7042ba5 100644
--- a/openpype/plugins/publish/extract_hierarchy_to_ayon.py
+++ b/openpype/plugins/publish/extract_hierarchy_to_ayon.py
@@ -42,13 +42,16 @@ class ExtractHierarchyToAYON(pyblish.api.ContextPlugin):
     def _fill_instance_entities(self, context, project_name):
         instances_by_asset_name = collections.defaultdict(list)
         for instance in context:
+            if instance.data.get("publish") is False:
+                continue
+
             instance_entity = instance.data.get("assetEntity")
             if instance_entity:
                 continue
 
             # Skip if instance asset does not match
             instance_asset_name = instance.data.get("asset")
-            instances_by_asset_name[instance_asset_name] = instance
+            instances_by_asset_name[instance_asset_name].append(instance)
 
         project_doc = context.data["projectEntity"]
         asset_docs = get_assets(