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 7d96455..983eae3 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
@@ -15,6 +15,7 @@ import org.springframework.web.multipart.MultipartFile;
 import org.springframework.web.util.UriComponentsBuilder;
 
 import java.io.IOException;
+import java.net.URI;
 import java.nio.charset.StandardCharsets;
 import java.util.Base64;
 
@@ -240,20 +241,22 @@ public class PrestashopClient {
             MultipartFile imageFile
     ) {
         try {
-            // construction de l'URL relative (le RestClient a déjà baseUrl)
-            StringBuilder pathBuilder = new StringBuilder("/images/products/")
+            // On construit l'URL complète (absolue)
+            StringBuilder urlBuilder = new StringBuilder(baseUrl)
+                    .append("/images/products/")
                     .append(productId);
+
             if (rawQuery != null && !rawQuery.isBlank()) {
-                pathBuilder.append('?').append(rawQuery);
+                urlBuilder.append('?').append(rawQuery);
             }
-            String path = pathBuilder.toString();
+
+            String url = urlBuilder.toString();
 
             byte[] bytes = imageFile.getBytes();
 
             log.info("[PrestaShop] POST (image multipart) {} (size={} bytes, contentType={})",
-                    baseUrl + path, bytes.length, imageFile.getContentType());
+                    url, bytes.length, imageFile.getContentType());
 
-            // Ressource avec un filename pour que Spring pose bien le Content-Disposition
             ByteArrayResource fileResource = new ByteArrayResource(bytes) {
                 @Override
                 public String getFilename() {
@@ -262,13 +265,12 @@ public class PrestashopClient {
                 }
             };
 
-            // corps multipart : clé -> "image"
             MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
+            // *** clé "image" obligatoire pour Presta ***
             body.add("image", fileResource);
 
-            // Envoi de la requête multipart/form-data
             return client.post()
-                    .uri(path)
+                    .uri(URI.create(url))                 // <-- URL absolue, plus de scheme undefined
                     .contentType(MediaType.MULTIPART_FORM_DATA)
                     .body(body)
                     .retrieve()