diff --git a/rootfs/etc/confd/templates/pgsql-login-maps.cf.tmpl b/rootfs/etc/confd/templates/pgsql-login-maps.cf.tmpl
index 43006c7..86983da 100644
--- a/rootfs/etc/confd/templates/pgsql-login-maps.cf.tmpl
+++ b/rootfs/etc/confd/templates/pgsql-login-maps.cf.tmpl
@@ -2,4 +2,4 @@ hosts = {{ getenv "DB_HOST" }}
 user = {{ getenv "DB_USER" "email" }}
 password = {{ getenv "DB_PASSWORD" }}
 dbname = {{ getenv "DB_NAME" "email" }}
-query = SELECT source FROM virtual_aliases WHERE destination='%s'
+query = SELECT source FROM virtual_aliases WHERE destination='%u'