diff --git a/assets/js/modules/agenda-filters.js b/assets/js/modules/agenda-filters.js
index 8728c78..b306e78 100644
--- a/assets/js/modules/agenda-filters.js
+++ b/assets/js/modules/agenda-filters.js
@@ -168,7 +168,7 @@ function collectFilters() {
     }
     
     // Langue
-    const langue = document.getElementById('langue').value;
+    const langue = document.getElementById('langue_filtre')?.value;
     if (langue && langue.trim() !== '') {
         filters.langue = langue;
     }
diff --git a/assets/js/modules/agenda-intervenant-calendar.js b/assets/js/modules/agenda-intervenant-calendar.js
index 77d7779..578c3cf 100644
--- a/assets/js/modules/agenda-intervenant-calendar.js
+++ b/assets/js/modules/agenda-intervenant-calendar.js
@@ -596,7 +596,7 @@ function collectIntervenantFilters() {
     const typeIntervention = document.getElementById('type_intervention')?.value;
     if (typeIntervention) filters.type_intervention = parseInt(typeIntervention);
     
-    const langue = document.getElementById('langue')?.value;
+    const langue = document.getElementById('langue_filtre')?.value;
     if (langue) filters.langue = langue;
     
     const permanences = document.getElementById('permanences_non_assignees')?.checked;
diff --git a/assets/js/modules/agenda-visual-filters.js b/assets/js/modules/agenda-visual-filters.js
index 56c98be..acfbf96 100644
--- a/assets/js/modules/agenda-visual-filters.js
+++ b/assets/js/modules/agenda-visual-filters.js
@@ -218,13 +218,13 @@ class AgendaVisualFilters {
         }
 
         if (filters.traduction) {
-            const langueSelect = document.getElementById('langue');
+            const langueSelect = document.getElementById('langue_filtre');
             if (langueSelect) {
                 // La valeur doit correspondre au slug de la langue
                 langueSelect.value = filters.traduction;
             }
         } else {
-            const langueSelect = document.getElementById('langue');
+            const langueSelect = document.getElementById('langue_filtre');
             if (langueSelect) {
                 langueSelect.value = '';
             }
diff --git a/templates/admin/agenda-page.php b/templates/admin/agenda-page.php
index 03de1a8..252f717 100644
--- a/templates/admin/agenda-page.php
+++ b/templates/admin/agenda-page.php
@@ -76,8 +76,8 @@
                     </select>
                 </div>
                 <div class="filter">
-                    <label for="langue">Langue du rendez-vous</label>
-                    <select id="langue" name="langue" class="select2">
+                    <label for="langue_filtre">Langue du rendez-vous</label>
+                    <select id="langue_filtre" name="langue" class="select2">
                         <option value="">Toutes</option>
                         <!-- Options dynamiques -->
                          <?php
diff --git a/templates/front/intervenant-agenda.php b/templates/front/intervenant-agenda.php
index 8f1e722..bdfae2e 100644
--- a/templates/front/intervenant-agenda.php
+++ b/templates/front/intervenant-agenda.php
@@ -108,8 +108,8 @@ $user = wp_get_current_user();
                                 </select>
                             </div>
                             <div class="filter">
-                                <label for="langue">Langue</label>
-                                <select id="langue" name="langue" class="select2">
+                                <label for="langue_filtre">Langue</label>
+                                <select id="langue_filtre" name="langue" class="select2">
                                     <option value="">Toutes</option>
                                 </select>
                             </div>
diff --git a/templates/frontend/intervenant-agenda.php b/templates/frontend/intervenant-agenda.php
index c26531e..7c833de 100644
--- a/templates/frontend/intervenant-agenda.php
+++ b/templates/frontend/intervenant-agenda.php
@@ -108,8 +108,8 @@ $user = wp_get_current_user();
                                 </select>
                             </div>
                             <div class="filter">
-                                <label for="langue">Langue</label>
-                                <select id="langue" name="langue" class="select2">
+                                <label for="langue_filtre">Langue</label>
+                                <select id="langue_filtre" name="langue" class="select2">
                                     <option value="">Toutes</option>
                                 </select>
                             </div>