diff --git a/apps/vault/src/ctap/key_material.rs b/apps/vault/src/ctap/key_material.rs
index 9534e58fe..907d55620 100644
--- a/apps/vault/src/ctap/key_material.rs
+++ b/apps/vault/src/ctap/key_material.rs
@@ -20,5 +20,5 @@ pub const AAGUID_LENGTH: usize = 16;
 // a bogus value.
 pub const AAGUID: &[u8; AAGUID_LENGTH] =
     &[
-        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
+        0x48, 0xe0, 0x37, 0x1c, 0x32, 0x52, 0x57, 0xf7,  0xd2, 0xf0, 0x00, 0x0f, 0xbd, 0x7a, 0x89, 0x19
     ];