diff --git a/configs/test_cam1_face_det_rtsp_server.json b/configs/test_cam1_face_det_rtsp_server.json
index 9a3bdb7..ce823ec 100644
--- a/configs/test_cam1_face_det_rtsp_server.json
+++ b/configs/test_cam1_face_det_rtsp_server.json
@@ -40,7 +40,11 @@
           "nms": 0.4,
           "max_faces": 10,
           "output_landmarks": true,
-          "input_format": "bgr"
+          "input_format": "bgr",
+          "input_dtype": "float32",
+          "normalize": {
+            "scale": 0.00392156862
+          }
         },
         {
           "id": "osd_cam1",