diff --git a/api/onnx_web/server/params.py b/api/onnx_web/server/params.py
index 0b4a11cb..e2edd4b6 100644
--- a/api/onnx_web/server/params.py
+++ b/api/onnx_web/server/params.py
@@ -118,6 +118,7 @@ def build_params(
         get_config_value("steps", "min"),
     )
     tiled_vae = get_boolean(data, "tiled_vae", get_config_value("tiled_vae"))
+    thumbnail = get_boolean(data, "thumbnail", get_config_value("thumbnail"))
     unet_overlap = get_and_clamp_float(
         data,
         "unet_overlap",
@@ -169,6 +170,7 @@ def build_params(
         unet_tile=unet_tile,
         vae_overlap=vae_overlap,
         vae_tile=vae_tile,
+        thumbnail=thumbnail,
     )
 
     return params
diff --git a/api/params.json b/api/params.json
index 7dc18e02..06c72897 100644
--- a/api/params.json
+++ b/api/params.json
@@ -207,6 +207,9 @@
       "spiral"
     ]
   },
+  "thumbnail": {
+    "default": true
+  },
   "top": {
     "default": 0,
     "min": 0,
diff --git a/gui/src/config.json b/gui/src/config.json
index c567a3e2..34dc5ff8 100644
--- a/gui/src/config.json
+++ b/gui/src/config.json
@@ -203,6 +203,9 @@
         "spiral"
       ]
     },
+    "thumbnail": {
+      "default": true
+    },
     "top": {
       "default": 0,
       "min": 0,