diff --git a/scripts/sys_schema/views/p_s/x_ps_schema_table_statistics_io_aggregation_partition.sql b/scripts/sys_schema/views/p_s/x_ps_schema_table_statistics_io_aggregation_partition.sql
index 10c17f877ea20c0a45e131fa608d66d31dd79db7..738165fda50226df5da461f3d86cdb430306aebe 100644
--- a/scripts/sys_schema/views/p_s/x_ps_schema_table_statistics_io_aggregation_partition.sql
+++ b/scripts/sys_schema/views/p_s/x_ps_schema_table_statistics_io_aggregation_partition.sql
@@ -65,8 +65,8 @@ VIEW x$ps_schema_table_statistics_io_aggregation_partition (
   count_misc,
   sum_timer_misc
 ) AS
-SELECT extract_schema_from_file_name(file_name) AS table_schema,
-       substring_index(extract_table_from_file_name(file_name),'#',1) AS table_name,
+SELECT sys.extract_schema_from_file_name(file_name) AS table_schema,
+       substring_index(sys.extract_table_from_file_name(file_name),'#',1) AS table_name,
        SUM(count_read) AS count_read,
        SUM(sum_number_of_bytes_read) AS sum_number_of_bytes_read,
        SUM(sum_timer_read) AS sum_timer_read,