diff --git a/app/models/individual.rb b/app/models/individual.rb
index c3d92b9eb..76257a20c 100644
--- a/app/models/individual.rb
+++ b/app/models/individual.rb
@@ -15,7 +15,7 @@ class Individual < ApplicationRecord
                                   if: -> { dossier.for_tiers? },
                                   on: :update
 
-  validates :email, presence: true, if: -> { dossier.for_tiers? && self.email? }, on: :update
+  validates :email, strict_email: true, presence: true, if: -> { dossier.for_tiers? && self.email? }, on: :update
 
   GENDER_MALE = "M."
   GENDER_FEMALE = 'Mme'