diff --git a/app/models/expert.rb b/app/models/expert.rb
index 906e0e6c3..a0bcc13a5 100644
--- a/app/models/expert.rb
+++ b/app/models/expert.rb
@@ -30,17 +30,22 @@ class Expert < ApplicationRecord
   end
 
   def self.autocomplete_mails(procedure)
-    experts = Expert
+    procedure_experts = Expert
       .joins(:experts_procedures, :user)
       .where(experts_procedures: { procedure: procedure })
-      .where.not(users: { confirmed_at: nil })
 
-    if procedure.experts_require_administrateur_invitation?
-      experts = experts
+    new_or_confirmed_experts = procedure_experts
+      .where.not(users: { confirmed_at: nil })
+      .or(procedure_experts.where(users: { created_at: 1.day.ago.. }))
+
+    suggested_expert = if procedure.experts_require_administrateur_invitation?
+      new_or_confirmed_experts
         .where(experts_procedures: { revoked_at: nil })
+    else
+      new_or_confirmed_experts
     end
 
-    experts
+    suggested_expert
       .pluck('users.email')
       .sort
   end
diff --git a/spec/models/expert_spec.rb b/spec/models/expert_spec.rb
index 89f53f82a..98aef6b9d 100644
--- a/spec/models/expert_spec.rb
+++ b/spec/models/expert_spec.rb
@@ -102,17 +102,19 @@ RSpec.describe Expert, type: :model do
     let(:expert) { create(:expert) }
     let(:revoked_expert) { create(:expert) }
     let(:unconfirmed_expert) { create(:expert) }
+    let(:new_unconfirmed_expert) { create(:expert) }
 
     before do
-      procedure.experts << expert << revoked_expert << unconfirmed_expert
+      procedure.experts << expert << revoked_expert << unconfirmed_expert << new_unconfirmed_expert
       ExpertsProcedure.find_by(expert: revoked_expert, procedure: procedure)
         .update!(revoked_at: 1.day.ago)
-      unconfirmed_expert.user.update!(confirmed_at: nil)
+      unconfirmed_expert.user.update!(confirmed_at: nil, created_at: 2.days.ago)
+      new_unconfirmed_expert.user.update!(confirmed_at: nil)
     end
 
     context 'when procedure experts need administrateur invitation' do
       it 'returns only confirmed not revoked experts' do
-        expect(subject).to eq([expert.user.email])
+        expect(subject).to eq([expert.user.email, new_unconfirmed_expert.user.email])
       end
     end
 
@@ -120,7 +122,7 @@ RSpec.describe Expert, type: :model do
       let(:procedure) { create(:procedure, experts_require_administrateur_invitation: false) }
 
       it 'prefill autocomplete with all confirmed experts in the procedure' do
-        expect(subject).to eq([expert.user.email, revoked_expert.user.email])
+        expect(subject).to eq([expert.user.email, revoked_expert.user.email, new_unconfirmed_expert.user.email])
       end
     end
   end