diff --git a/meta-stx-integ/recipes-dbs/postgresql/postgresql/postgresql.service.update b/meta-stx-integ/recipes-dbs/postgresql/postgresql/postgresql.service.update
index 9fe8b51..f9eacbd 100644
--- a/meta-stx-integ/recipes-dbs/postgresql/postgresql/postgresql.service.update
+++ b/meta-stx-integ/recipes-dbs/postgresql/postgresql/postgresql.service.update
@@ -11,7 +11,7 @@ Group=postgres
 Environment=PGPORT=5432
 
 # Location of database directory
-Environment=PGDATA=/var/lib/postgresql/19.12
+Environment=PGDATA=/var/lib/postgresql/@STX_REL@
 
 # Disable OOM kill on the postmaster
 OOMScoreAdjust=-17
diff --git a/meta-stx-integ/recipes-dbs/postgresql/postgresql_%.bbappend b/meta-stx-integ/recipes-dbs/postgresql/postgresql_%.bbappend
index 3096226..5457383 100644
--- a/meta-stx-integ/recipes-dbs/postgresql/postgresql_%.bbappend
+++ b/meta-stx-integ/recipes-dbs/postgresql/postgresql_%.bbappend
@@ -10,8 +10,9 @@ SRC_URI += " \
     "
 
 do_install_append() {
-       install -d ${D}${systemd_unitdir}/system
-       install -m 0755 ${WORKDIR}/postgresql.service.update ${D}${systemd_unitdir}/system/postgresql.service
+	install -d ${D}${systemd_unitdir}/system
+	install -m 0755 ${WORKDIR}/postgresql.service.update ${D}${systemd_unitdir}/system/postgresql.service
+	sed -i -e "s/@STX_REL@/${STX_REL}/" ${D}${systemd_unitdir}/system/postgresql.service
 }
 
 FILES_${PN} += "${systemd_unitdir}/system/postgresql.service"