diff --git a/backend/open_webui/config.py b/backend/open_webui/config.py
index 3cc522c26d..c69ef76c0b 100644
--- a/backend/open_webui/config.py
+++ b/backend/open_webui/config.py
@@ -1998,6 +1998,9 @@ PGVECTOR_INITIALIZE_MAX_VECTOR_LENGTH = int(
     os.environ.get("PGVECTOR_INITIALIZE_MAX_VECTOR_LENGTH", "1536")
 )
 
+PGVECTOR_CREATE_EXTENSION = (
+    os.getenv("PGVECTOR_CREATE_EXTENSION", "true").lower() == "true"
+)
 PGVECTOR_PGCRYPTO = os.getenv("PGVECTOR_PGCRYPTO", "false").lower() == "true"
 PGVECTOR_PGCRYPTO_KEY = os.getenv("PGVECTOR_PGCRYPTO_KEY", None)
 if PGVECTOR_PGCRYPTO and not PGVECTOR_PGCRYPTO_KEY: