diff --git a/roles/postgresql_server/files/backup-database b/roles/postgresql_server/files/backup-database
index 3f6e7d8fb1..cd2bededc1 100644
--- a/roles/postgresql_server/files/backup-database
+++ b/roles/postgresql_server/files/backup-database
@@ -4,7 +4,7 @@
 DB=$1
 
 # Make our latest backup
-/usr/bin/pg_dump -C $DB | /usr/bin/xz > /backups/$DB-$(date +%F).dump.xz
+/usr/bin/pg_dump --exclude-table-data=sessions -C $DB | /usr/bin/xz > /backups/$DB-$(date +%F).dump.xz
 
 # Also, delete the backup from a few days ago.
 rm -f /backups/$DB-$(date --date="3 days ago" +%F).dump.xz