diff --git a/config/orthancDICOMWeb.json b/config/orthancDICOMWeb.json
index 2c6619e64..0b02cbc56 100644
--- a/config/orthancDICOMWeb.json
+++ b/config/orthancDICOMWeb.json
@@ -8,7 +8,7 @@
         "wadoRoot": "http://localhost:8042/dicom-web",
         "qidoSupportsIncludeField": false,
         "imageRendering": "wadouri",
-        "thumbnailRendering": "wadors",
+        "thumbnailRendering": "wadouri",
         "requestOptions": {
           "auth": "orthanc:orthanc",
           "logRequests": true,