diff --git a/libs/langchain/langchain/retrievers/self_query/base.py b/libs/langchain/langchain/retrievers/self_query/base.py
index f631f4e547..b3cb8fc4c3 100644
--- a/libs/langchain/langchain/retrievers/self_query/base.py
+++ b/libs/langchain/langchain/retrievers/self_query/base.py
@@ -170,11 +170,12 @@ def _get_builtin_translator(vectorstore: VectorStore) -> Visitor:
 
         try:
             from langchain_postgres import PGVector
+            from langchain_postgres import PGVectorTranslator as NewPGVectorTranslator
         except ImportError:
             pass
         else:
             if isinstance(vectorstore, PGVector):
-                return PGVectorTranslator()
+                return NewPGVectorTranslator()
 
         raise ValueError(
             f"Self query retriever with Vector Store type {vectorstore.__class__}"