diff --git a/src/app/api/komga/images/series/[seriesId]/thumbnail/route.ts b/src/app/api/komga/images/series/[seriesId]/thumbnail/route.ts
index f0b27ee..37b7aaf 100644
--- a/src/app/api/komga/images/series/[seriesId]/thumbnail/route.ts
+++ b/src/app/api/komga/images/series/[seriesId]/thumbnail/route.ts
@@ -4,7 +4,7 @@ import { ImageService } from "@/lib/services/image.service";
 export async function GET(request: NextRequest, { params }: { params: { seriesId: string } }) {
   try {
     const { buffer, contentType } = await ImageService.getImage(
-      `/api/v1/series/${params.seriesId}/thumbnail`
+      `series/${params.seriesId}/thumbnail`
     );
 
     return new NextResponse(buffer, {
diff --git a/src/lib/services/image.service.ts b/src/lib/services/image.service.ts
index 1482a1e..6242887 100644
--- a/src/lib/services/image.service.ts
+++ b/src/lib/services/image.service.ts
@@ -9,7 +9,7 @@ export class ImageService extends BaseApiService {
   static async getImage(path: string): Promise<ImageResponse> {
     try {
       const config = await this.getKomgaConfig();
-      const url = `${config.serverUrl}${path}`;
+      const url = this.buildUrl(config, path);
       const headers = this.getAuthHeaders(config);
 
       // Ajout des headers pour accepter les images