diff --git a/src/components/PageEditor.svelte b/src/components/PageEditor.svelte
index 033128b..501c1d8 100644
--- a/src/components/PageEditor.svelte
+++ b/src/components/PageEditor.svelte
@@ -85,7 +85,16 @@
         credentials: 'include',
         body: JSON.stringify({ content, base_hash: baseHash }),
       });
-      if (r.status === 409) { errorMsg = await r.text(); return; }
+      if (r.status === 409) {
+        const data = await r.json();
+        const detail = data.detail ?? {};
+        errorMsg = typeof detail === 'string' ? detail : (detail.message ?? 'Conflitto');
+        if (detail.content) {
+          content = detail.content;
+          baseHash = detail.base_hash ?? baseHash;
+        }
+        return;
+      }
       if (!r.ok) throw new Error(await r.text());
       saveStatus = 'Costruendo…';
       const rb = await fetch('/rebuild', { method: 'POST', credentials: 'include' });