diff --git a/sv/static/sv/evenement_details.js b/sv/static/sv/evenement_details.js
index a83d212a..8f531ef3 100644
--- a/sv/static/sv/evenement_details.js
+++ b/sv/static/sv/evenement_details.js
@@ -21,7 +21,28 @@ function initializeDetectionTags() {
     });
 }
 
+function selectZoneTab() {
+    const params = new URLSearchParams(window.location.search);
+    if (params.get('tab') === 'zone') {
+        const tabzone = document.getElementById("tabpanel-zone-panel");
+        dsfr(tabzone).tabPanel.disclose();
+    }
+}
+
+function updateURLParameters(paramName, paramValue) {
+    const params = new URLSearchParams(window.location.search);
+    params.set(paramName, paramValue);
+    window.history.pushState({}, '', `?${params.toString()}`);
+}
+
 document.addEventListener('DOMContentLoaded', function() {
+
+    document.documentElement.addEventListener('dsfr.start', () => {
+        setTimeout(() => {
+            selectZoneTab();
+        }, 1000);
+    });
+
     const viewManager = new ViewManager(evenementViewModeConfig);
     viewManager.initialize();
 
@@ -29,7 +50,7 @@ document.addEventListener('DOMContentLoaded', function() {
         element.addEventListener('dsfr.disclose', event=>{
             const tabId = event.target.getAttribute("id").replace("tabpanel-", "").replace("-panel", "")
             showOnlyActionsForDetection(tabId)
-            window.history.pushState({}, '', `?detection=${tabId}`);
+            updateURLParameters('detection', tabId);
         })
     })
 
diff --git a/sv/views.py b/sv/views.py
index fc8edf2f..b934a3de 100644
--- a/sv/views.py
+++ b/sv/views.py
@@ -488,7 +488,7 @@ class FicheZoneDelimiteeCreateView(WithFormErrorsAsMessagesMixin, CreateView):
     context_object_name = "fiche"
 
     def get_success_url(self):
-        return reverse("evenement-details", args=[self.object.evenement.numero]) + "#tabpanel-zone-panel"
+        return reverse("evenement-details", args=[self.object.evenement.numero]) + "?tab=zone"
 
     def dispatch(self, request, *args, **kwargs):
         try:
@@ -595,7 +595,7 @@ class FicheZoneDelimiteeUpdateView(
     context_object_name = "fiche"
 
     def get_success_url(self):
-        return self.get_object().get_absolute_url() + "#tabpanel-zone-panel"
+        return self.get_object().get_absolute_url() + "?tab=zone"
 
     def test_func(self) -> bool | None:
         return self.get_object().evenement.can_user_access(self.request.user)