diff --git a/database_maintenance/cycle_notification_history_in_batches.sql b/database_maintenance/cycle_notification_history_in_batches.sql
index 4dbd3fb9b..f85e3542a 100644
--- a/database_maintenance/cycle_notification_history_in_batches.sql
+++ b/database_maintenance/cycle_notification_history_in_batches.sql
@@ -4,13 +4,13 @@ CREATE TABLE notification_history_pivot AS SELECT * from notification_history WH
 
 CREATE TEMPORARY TABLE nh_temp AS SELECT id FROM notification_history;
 
-SELECT COUNT(*) AS 'Total number of rows in nh' FROM nh_temp;
+SELECT COUNT(*) AS "Total number of rows in nh" FROM nh_temp;
 
 DELETE FROM nh_temp t
 USING notification_history_pivot p
 WHERE t.id = p.id;
 
-SELECT COUNT(*) AS 'Number of rows remaining that need moving across from nh to nh_pivot' FROM nh_temp;
+SELECT COUNT(*) AS "Number of rows remaining that need moving across from nh to nh_pivot" FROM nh_temp;
 
 -- In each function call, using same database connection as used for the above SQL (needs to be in a transaction; this can be inside a stored function or in a transaction from the code)