diff --git a/capellambse/decl.py b/capellambse/decl.py
index c0495b505..7ed159d9b 100644
--- a/capellambse/decl.py
+++ b/capellambse/decl.py
@@ -281,7 +281,7 @@ def _operate_sync(
                 yield from _create_complex_objects(
                     promises, parent, attr, [newobj_props]
                 )
-                yield from _operate_sync(promises, parent, modifications)
+                yield from _operate_sync(promises, parent, {attr: [obj]})
 
     yield from ()