diff --git a/libs/community/langchain_community/vectorstores/faiss.py b/libs/community/langchain_community/vectorstores/faiss.py
index 06f28d385c..1617a8c36b 100644
--- a/libs/community/langchain_community/vectorstores/faiss.py
+++ b/libs/community/langchain_community/vectorstores/faiss.py
@@ -333,8 +333,9 @@ class FAISS(VectorStore):
             doc = self.docstore.search(_id)
             if not isinstance(doc, Document):
                 raise ValueError(f"Could not find document for id {_id}, got {doc}")
-            if filter is not None and filter_func(doc.metadata):
-                docs.append((doc, scores[0][j]))
+            if filter is not None:
+                if filter_func(doc.metadata):
+                    docs.append((doc, scores[0][j]))
             else:
                 docs.append((doc, scores[0][j]))
 
diff --git a/libs/community/tests/unit_tests/vectorstores/test_faiss.py b/libs/community/tests/unit_tests/vectorstores/test_faiss.py
index 375fa00eb6..cedecc8ada 100644
--- a/libs/community/tests/unit_tests/vectorstores/test_faiss.py
+++ b/libs/community/tests/unit_tests/vectorstores/test_faiss.py
@@ -438,8 +438,9 @@ def test_faiss_with_metadatas_and_filter() -> None:
     )
     assert docsearch.docstore.__dict__ == expected_docstore.__dict__
     output = docsearch.similarity_search("foo", k=1, filter={"page": 1})
-    assert output == [Document(page_content="foo", metadata={"page": 0})]
-    assert output != [Document(page_content="bar", metadata={"page": 1})]
+    # make sure it returns the result that matches the filter.
+    # Not the one who's text matches better.
+    assert output == [Document(page_content="bar", metadata={"page": 1})]
     assert output == docsearch.similarity_search(
         "foo", k=1, filter=lambda di: di["page"] == 1
     )
@@ -465,8 +466,9 @@ async def test_faiss_async_with_metadatas_and_filter() -> None:
     )
     assert docsearch.docstore.__dict__ == expected_docstore.__dict__
     output = await docsearch.asimilarity_search("foo", k=1, filter={"page": 1})
-    assert output == [Document(page_content="foo", metadata={"page": 0})]
-    assert output != [Document(page_content="bar", metadata={"page": 1})]
+    # make sure it returns the result that matches the filter.
+    # Not the one who's text matches better.
+    assert output == [Document(page_content="bar", metadata={"page": 1})]
     assert output == await docsearch.asimilarity_search(
         "foo", k=1, filter=lambda di: di["page"] == 1
     )