diff --git a/api/core/rag/datasource/vdb/vector_type.py b/api/core/rag/datasource/vdb/vector_type.py
index 7a81565e37..8e27e52de4 100644
--- a/api/core/rag/datasource/vdb/vector_type.py
+++ b/api/core/rag/datasource/vdb/vector_type.py
@@ -8,7 +8,7 @@ class VectorType(StrEnum):
     MYSCALE = "myscale"
     PGVECTOR = "pgvector"
     VASTBASE = "vastbase"
-    PGVECTO_RS = "pgvecto-rs"
+    PGVECTO_RS = "pgvecto_rs"
 
     QDRANT = "qdrant"
     RELYT = "relyt"