diff --git a/docarray/array/doc_list/io.py b/docarray/array/doc_list/io.py
index c199a576259..c2b531c2550 100644
--- a/docarray/array/doc_list/io.py
+++ b/docarray/array/doc_list/io.py
@@ -544,7 +544,8 @@ def to_dataframe(self) -> 'pd.DataFrame':
 
         for doc in self:
             doc_dict = _dict_to_access_paths(doc.dict())
-            df = df.append(doc_dict, ignore_index=True)
+            doc_dict = {k: [v] for k, v in doc_dict.items()}
+            df = pd.concat([df, pd.DataFrame.from_dict(doc_dict)], ignore_index=True)
 
         return df