diff --git a/server/rssEngine.ts b/server/rssEngine.ts
index 6940b5e..9d71083 100644
--- a/server/rssEngine.ts
+++ b/server/rssEngine.ts
@@ -373,7 +373,7 @@ async function processFeed(feed: RssFeed): Promise<FetchResult> {
           });
           result.newItems++;
         } catch (e: any) {
-          if (e?.code === "ER_DUP_ENTRY" || e?.message?.includes("Duplicate entry")) {
+          if (e?.code === "ER_DUP_ENTRY" || e?.cause?.code === "ER_DUP_ENTRY" || e?.message?.includes("Duplicate entry") || e?.cause?.message?.includes("Duplicate entry")) {
             // Article existant → ajouter le territoire à la liste si c'est un nouveau département
             if (territoire !== "France" && territoire !== "Auvergne-Rhône-Alpes") {
               await db.execute(
@@ -415,7 +415,7 @@ async function processFeed(feed: RssFeed): Promise<FetchResult> {
           });
           result.newItems++;
         } catch (e: any) {
-          if (e?.code === "ER_DUP_ENTRY" || e?.message?.includes("Duplicate entry")) {
+          if (e?.code === "ER_DUP_ENTRY" || e?.cause?.code === "ER_DUP_ENTRY" || e?.message?.includes("Duplicate entry") || e?.cause?.message?.includes("Duplicate entry")) {
             // Article existant → ajouter le département à la liste
             if (departement) {
               await db.execute(