diff --git a/api/archive_db.py b/api/archive_db.py
index 5c7e2e9a..7a6a15ae 100644
--- a/api/archive_db.py
+++ b/api/archive_db.py
@@ -92,7 +92,6 @@ def fetch_triggers(breeder_name=None):
     @staticmethod
     def create_procedure(procedure_name=None, probability=1.0, source_table_name=None, target_table_name=None):
         query = f"""
-
         CREATE OR REPLACE FUNCTION {procedure_name}() RETURNS TRIGGER AS $$
         DECLARE
           random_value real;
@@ -102,17 +101,16 @@ def create_procedure(procedure_name=None, probability=1.0, source_table_name=Non
 
           IF random_value < {probability} THEN
             INSERT INTO {target_table_name} AS target_table (setting_id, setting_full, setting_result)
-            SELECT setting_id, setting_full, setting_result FROM {source_table_name} AS source_table
-            ON CONFLICT
-            DO UPDATE SET target_table.setting_result = source_table.setting_result WHERE  (source_table.setting_result->>0 > target_table.setting_result->>0 AND
-                                                                                            source_table.setting_result->>1 < target_table.setting_result->>1);
+            SELECT setting_id, setting_full, setting_result FROM {source_table_name}
+            ON CONFLICT (setting_id)
+            DO UPDATE SET setting_result = excluded.setting_result WHERE (excluded.setting_result->>0 < target_table.setting_result->>0 AND
+                                                                          excluded.setting_result->>1 > target_table.setting_result->>1);
           END IF;
 
           RETURN NULL;
 
         END;
         $$ LANGUAGE plpgsql;
-
         """
 
         return query