diff --git a/private/shell.te b/private/shell.te
index 839178c..1b8fb8a 100644
--- a/private/shell.te
+++ b/private/shell.te
@@ -42,6 +42,11 @@
 
 domain_auto_trans(shell, vendor_shell_exec, vendor_shell)
 
+# Allow shell to execute tradeinmode on userdebug builds, for testing.
+userdebug_or_eng(`
+  domain_auto_trans(shell, tradeinmode_exec, tradeinmode)
+')
+
 # Allow shell binaries to exec the perfetto cmdline util and have that
 # transition into its own domain, so that it behaves consistently to
 # when exec()-d by statsd.