diff --git a/agentmemory/postgres.py b/agentmemory/postgres.py
index d218999..fd26bff 100644
--- a/agentmemory/postgres.py
+++ b/agentmemory/postgres.py
@@ -172,7 +172,7 @@ def ensure_table_exists(self, category):
                 id SERIAL PRIMARY KEY,
                 document TEXT NOT NULL,
                 metadata JSONB,
-                embedding VECTOR(1024)
+                embedding VECTOR(384)
             )
         """
         )