diff --git a/administrator/components/com_admin/sql/updates/postgresql/4.0.0-2020-06-25.sql b/administrator/components/com_admin/sql/updates/postgresql/4.0.0-2020-06-25.sql
index f56fffe8e83dd..3eab6a153be29 100644
--- a/administrator/components/com_admin/sql/updates/postgresql/4.0.0-2020-06-25.sql
+++ b/administrator/components/com_admin/sql/updates/postgresql/4.0.0-2020-06-25.sql
@@ -1,2 +1,2 @@
 ALTER TABLE "#__template_styles" ADD COLUMN "inheritable" smallint NOT NULL DEFAULT 0;
-ALTER TABLE "#__template_styles" ADD COLUMN "parent" varchar(50) DEFAULT "";
+ALTER TABLE "#__template_styles" ADD COLUMN "parent" varchar(50) DEFAULT '';