Bad inclusion label subscriber with long path

[acasadoual]

Version

Sympa 6.2.76

Installation method

rpm of Fedora Proyect

Expected behavior

I have a list alumnos_master_contabilidad_finanzas@mydomain with include_file /var/lib/sympa/list_data/alumnos_master_contabilidad_finanzas/alumnos_master_contabilidad_finanzas
In subscriber_table field inclusion_label_subscriber should be: "alumnos_master_contabilidad_finanzas"

Actual behavior

In subscriber_table field inclusion_label_subscriber is: "alumnos_master_"

Steps to reproduce

Use a long path include file