diff --git a/host/cros_bundle_firmware b/host/cros_bundle_firmware
index 88a8927..940ac51 100755
--- a/host/cros_bundle_firmware
+++ b/host/cros_bundle_firmware
@@ -254,8 +254,8 @@
 
 def _RunPostProcessScript(options, output, tools):
   if options.board == "smaug":
-    args = [options.key, options.output]
-    tools.Run('nv_pkc_signing.sh', args)
+    args = ['bootloader', options.key + '/nv_pkc.pem', options.output, 'tegra210']
+    tools.Run('sign_nv_cbootimage.sh', args)
 
 def _Test():
   """Run any built-in tests."""