diff --git a/CEDA/economic/NBSC.py b/CEDA/economic/NBSC.py
index 65dc8bc..53dc778 100644
--- a/CEDA/economic/NBSC.py
+++ b/CEDA/economic/NBSC.py
@@ -39,9 +39,9 @@ class NBSCData(object):
         if period == "monthly":
             self.dbcode_query = "hgyd"
         elif period == "quarterly":
-            self.dbcode = "hgjd"
+            self.dbcode_query = "hgjd"
         elif period == "annual":
-            self.dbcode = "hgnd"
+            self.dbcode_query = "hgnd"
 
     def generate_header(self):
         ua = UserAgent()
@@ -127,4 +127,4 @@ if __name__ == "__main__":
     nodes = nbsc.tree_generation()
     toc = nbsc.toc(nodes=nodes)
     toc[toc["name"].str.contains("GDP")]
-    data = nbsc.download_data(nid="A0203")
\ No newline at end of file
+    data = nbsc.download_data(nid="A0203")