diff --git a/boards/odroid-N2/default.nix b/boards/odroid-N2/default.nix
index 1db6bdd7..ab774b04 100644
--- a/boards/odroid-N2/default.nix
+++ b/boards/odroid-N2/default.nix
@@ -18,6 +18,7 @@
       (helpers: with helpers; {
         USE_PREBOOT = yes;
         PREBOOT = freeform ''"usb start ; usb info"'';
+        SF_DEFAULT_SPEED = freeform ''52000000'';
       })
     ];
     patches = [