diff --git a/weaviate/collections/data/executor.py b/weaviate/collections/data/executor.py
index 688d2cc98..2d02da3ce 100644
--- a/weaviate/collections/data/executor.py
+++ b/weaviate/collections/data/executor.py
@@ -177,7 +177,13 @@ def insert_many(
             (
                 _BatchObject(
                     collection=self.name,
-                    vector=obj.vector,
+                    vector=(
+                        {key: _get_vector_v4(val) for key, val in obj.vector.items()}
+                        if isinstance(obj.vector, dict)
+                        else _get_vector_v4(obj.vector)
+                        if obj.vector is not None
+                        else None
+                    ),
                     uuid=str(obj.uuid if obj.uuid is not None else uuid_package.uuid4()),
                     properties=cast(dict, obj.properties),
                     tenant=self._tenant,