diff --git a/bin/datastore.py b/bin/datastore.py
index 15e177b..91d4d08 100644
--- a/bin/datastore.py
+++ b/bin/datastore.py
@@ -532,7 +532,7 @@ class Datastore:
 
 			qry = """
 				UPDATE raw_shots
-				SET meta = jsonb_set(meta, '{smsrc}', %s::jsonb, true)
+				SET meta = jsonb_set(meta, '{smsrc}', %s::jsonb, true) - 'qc'
 				WHERE sequence = %s AND point = %s;
 			"""