קבל תיקון. הדרישה היא לתוקף של 3 חודשים מתום השהות המתוכננת.
http://www.diplomatie.gouv.fr/en/coming-to-france/getting-a-visa/article/faq-visas
Is my passport valid for France ?
 
Your passport must be valid for at least 3 months beyond the date of expiry of your short-stay visa. To apply for a long-stay visa of definite duration (long-stay visa constituting a residence permit), your passport must be valid for as long as the visa. For a long-stay visa marked “carte de séjour à solliciter” (“residence permit to be applied for”), your passport must be valid for at least 3 months beyond the date of expiry of the visa. If your passport expires earlier, you must ask your own national authorities to extend or renew it.
Your passport must contain at least two blank pages to take the visa and the French entry and exit stamps.
No visa will be affixed to a passport:
- whose plastic film cover (transparent security film which must cover the photograph) has not been stuck or has been unstuck (you must ask the passport issuing authority to secure the passport again);
- that was coated with plastic in a store, which renders the passport invalid;
- that was defaced by scraping, erasure or alterations;
- that was damaged (torn page, binding not matching the original, etc.).