diff --git a/langchain/docstore/wikipedia.py b/langchain/docstore/wikipedia.py
index 2325ffd9..5575b8c7 100644
--- a/langchain/docstore/wikipedia.py
+++ b/langchain/docstore/wikipedia.py
@@ -30,7 +30,10 @@ class Wikipedia(Docstore):
 
         try:
             page_content = wikipedia.page(search).content
-            result: Union[str, Document] = Document(page_content=page_content)
+            url = wikipedia.page(search).url
+            result: Union[str, Document] = Document(
+                page_content=page_content, metadata={"page": url}
+            )
         except wikipedia.PageError:
             result = f"Could not find [{search}]. Similar: {wikipedia.search(search)}"
         except wikipedia.DisambiguationError: