diff --git a/app/templates/entreprises/correspondants.j2 b/app/templates/entreprises/correspondants.j2
index dc47ff35c..4d12d284b 100644
--- a/app/templates/entreprises/correspondants.j2
+++ b/app/templates/entreprises/correspondants.j2
@@ -9,7 +9,7 @@
 {% endblock %}
 
 {% block app_content %}
-{% include 'entreprises/nav.html' %}
+{% include 'entreprises/nav.j2' %}
 
 {% if logs %}
 <div class="container">
diff --git a/app/templates/entreprises/entreprises.j2 b/app/templates/entreprises/entreprises.j2
index 5aa4634df..9f4f7f24a 100644
--- a/app/templates/entreprises/entreprises.j2
+++ b/app/templates/entreprises/entreprises.j2
@@ -9,7 +9,7 @@
 {% endblock %}
 
 {% block app_content %}
-{% include 'entreprises/nav.html' %}
+{% include 'entreprises/nav.j2' %}
 
 {% if logs %}
 <div class="container">
diff --git a/app/templates/entreprises/entreprises_validation.j2 b/app/templates/entreprises/entreprises_validation.j2
index 6c2c83576..d658acc36 100644
--- a/app/templates/entreprises/entreprises_validation.j2
+++ b/app/templates/entreprises/entreprises_validation.j2
@@ -9,7 +9,7 @@
 {% endblock %}
 
 {% block app_content %}
-{% include 'entreprises/nav.html' %}
+{% include 'entreprises/nav.j2' %}
 
 {% if logs %}
 <div class="container">
diff --git a/app/templates/entreprises/fiche_entreprise.j2 b/app/templates/entreprises/fiche_entreprise.j2
index 1970db6ac..66a64f64c 100644
--- a/app/templates/entreprises/fiche_entreprise.j2
+++ b/app/templates/entreprises/fiche_entreprise.j2
@@ -134,7 +134,7 @@
                 {% endif %}
                 {% if current_user.has_permission(current_user.Permission.RelationsEntreprisesCorrespondants, None) %}
                 {% for correspondant in site.correspondants %}
-                {% include 'entreprises/_correspondant.html' %}
+                {% include 'entreprises/_correspondant.j2' %}
                 {% endfor %}
                 {% endif %}
             </div>
@@ -147,7 +147,7 @@
             <h3>Offres - <a href="{{ url_for('entreprises.offres_expirees', entreprise_id=entreprise.id) }}">Voir les
                     offres expirées</a></h3>
             {% for offre, files, offre_depts, correspondant in offres %}
-            {% include 'entreprises/_offre.html' %}
+            {% include 'entreprises/_offre.j2' %}
             {% endfor %}
         </div>
         {% endif %}
diff --git a/app/templates/entreprises/offres_expirees.j2 b/app/templates/entreprises/offres_expirees.j2
index 26bc42c4b..fa98916ba 100644
--- a/app/templates/entreprises/offres_expirees.j2
+++ b/app/templates/entreprises/offres_expirees.j2
@@ -21,7 +21,7 @@
     <h1>Offres expirées - {{ entreprise.nom }}</h1>
     {% if offres_expirees %}
     {% for offre, files, offre_depts, correspondant in offres_expirees %}
-    {% include 'entreprises/_offre.html' %}
+    {% include 'entreprises/_offre.j2' %}
     {% endfor %}
     {% else %}
     <div>Aucune offre expirées</div>
diff --git a/app/templates/entreprises/offres_recues.j2 b/app/templates/entreprises/offres_recues.j2
index a8166b66d..d0137a49e 100644
--- a/app/templates/entreprises/offres_recues.j2
+++ b/app/templates/entreprises/offres_recues.j2
@@ -2,7 +2,7 @@
 {% extends 'base.j2' %}
 
 {% block app_content %}
-{% include 'entreprises/nav.html' %}
+{% include 'entreprises/nav.j2' %}
 
 <div class="container">
     <h1>Offres reçues</h1>
diff --git a/app/templates/entreprises/preferences.j2 b/app/templates/entreprises/preferences.j2
index 5da57f0d9..8fb5a8612 100644
--- a/app/templates/entreprises/preferences.j2
+++ b/app/templates/entreprises/preferences.j2
@@ -3,7 +3,7 @@
 {% import 'bootstrap/wtf.html' as wtf %}
 
 {% block app_content %}
-{% include 'entreprises/nav.html' %}
+{% include 'entreprises/nav.j2' %}
 
 <div class="container">
     <h1>Préférences module gestion entreprises</h1>