diff --git a/backend/genesys/tables_model.cpp b/backend/genesys/tables_model.cpp
index 1ef69adb9..3c138842e 100644
--- a/backend/genesys/tables_model.cpp
+++ b/backend/genesys/tables_model.cpp
@@ -150,8 +150,8 @@ void genesys_init_usb_device_tables()
     model.x_size = 218.0;
     model.y_size = 299.0;
 
-    model.y_offset_calib_white = 6.0;
-    model.y_size_calib_mm = 1.5; // FIXME: re-check the location of the white strip
+    model.y_offset_calib_white = 3.0;
+    model.y_size_calib_mm = 3.0;
     model.x_offset_calib_black = 0.0;
 
     model.x_offset_ta = 0.0;