diff --git a/lightrag/kg/postgres_impl.py b/lightrag/kg/postgres_impl.py
index 6f8529e6..c30657cd 100644
--- a/lightrag/kg/postgres_impl.py
+++ b/lightrag/kg/postgres_impl.py
@@ -3952,16 +3952,18 @@ class PGGraphStorage(BaseGraphStorage):
             return {"status": "error", "message": str(e)}
 
 
+# Note: Order matters! More specific namespaces (e.g., "full_entities") must come before
+# more general ones (e.g., "entities") because is_namespace() uses endswith() matching
 NAMESPACE_TABLE_MAP = {
     NameSpace.KV_STORE_FULL_DOCS: "LIGHTRAG_DOC_FULL",
     NameSpace.KV_STORE_TEXT_CHUNKS: "LIGHTRAG_DOC_CHUNKS",
+    NameSpace.KV_STORE_FULL_ENTITIES: "LIGHTRAG_FULL_ENTITIES",
+    NameSpace.KV_STORE_FULL_RELATIONS: "LIGHTRAG_FULL_RELATIONS",
+    NameSpace.KV_STORE_LLM_RESPONSE_CACHE: "LIGHTRAG_LLM_CACHE",
     NameSpace.VECTOR_STORE_CHUNKS: "LIGHTRAG_VDB_CHUNKS",
     NameSpace.VECTOR_STORE_ENTITIES: "LIGHTRAG_VDB_ENTITY",
     NameSpace.VECTOR_STORE_RELATIONSHIPS: "LIGHTRAG_VDB_RELATION",
     NameSpace.DOC_STATUS: "LIGHTRAG_DOC_STATUS",
-    NameSpace.KV_STORE_LLM_RESPONSE_CACHE: "LIGHTRAG_LLM_CACHE",
-    NameSpace.KV_STORE_FULL_ENTITIES: "LIGHTRAG_FULL_ENTITIES",
-    NameSpace.KV_STORE_FULL_RELATIONS: "LIGHTRAG_FULL_RELATIONS",
 }