diff --git a/api/src/main/java/fr/gameovergne/api/service/prestashop/PrestashopClient.java b/api/src/main/java/fr/gameovergne/api/service/prestashop/PrestashopClient.java
index 5378f30..32fec53 100644
--- a/api/src/main/java/fr/gameovergne/api/service/prestashop/PrestashopClient.java
+++ b/api/src/main/java/fr/gameovergne/api/service/prestashop/PrestashopClient.java
@@ -242,7 +242,7 @@ public class PrestashopClient {
             MultipartFile imageFile
     ) {
         try {
-            // Construire l’URL complète
+            // Construire l’URL Presta
             StringBuilder urlBuilder = new StringBuilder(baseUrl)
                     .append("/images/products/")
                     .append(productId);
@@ -250,35 +250,42 @@ public class PrestashopClient {
             if (rawQuery != null && !rawQuery.isBlank()) {
                 urlBuilder.append('?').append(rawQuery);
             }
-
             String url = urlBuilder.toString();
 
             byte[] bytes = imageFile.getBytes();
+
+            String originalFilename = imageFile.getOriginalFilename();
+            if (originalFilename == null || originalFilename.isBlank()) {
+                originalFilename = "image.jpg";
+            }
+
             String contentType = imageFile.getContentType();
             if (contentType == null || contentType.isBlank()) {
                 contentType = MediaType.APPLICATION_OCTET_STREAM_VALUE;
             }
 
-            String filename = imageFile.getOriginalFilename();
-            if (filename == null || filename.isBlank()) {
-                filename = "image.jpg";
-            }
-
             log.info(
-                    "[PrestaShop] POST (image multipart) {} (size={} bytes, contentType={})",
-                    url, bytes.length, contentType
+                    "[PrestaShop] POST (image multipart) {} (size={} bytes, contentType={}, filename={})",
+                    url, bytes.length, contentType, originalFilename
             );
 
-            // ----- PARTIE FICHIER "image" -----
-            HttpHeaders partHeaders = new HttpHeaders();
-            partHeaders.setContentType(MediaType.parseMediaType(contentType));
-            // Très important : filename + name = "image" pour que Presta le voie dans $_FILES['image']
-            partHeaders.setContentDispositionFormData("image", filename);
+            // Resource avec filename pour que PHP le traite comme un fichier dans $_FILES["image"]
+            String finalOriginalFilename = originalFilename;
+            ByteArrayResource imageResource = new ByteArrayResource(bytes) {
+                @Override
+                public String getFilename() {
+                    return finalOriginalFilename;
+                }
 
-            HttpEntity<byte[]> imagePart = new HttpEntity<>(bytes, partHeaders);
+                @Override
+                public long contentLength() {
+                    return bytes.length;
+                }
+            };
 
+            // body multipart : la clé "image" => part nommée "image"
             MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
-            body.add("image", imagePart);
+            body.add("image", imageResource);
 
             return client.post()
                     .uri(URI.create(url))