diff --git a/private/system_server.te b/private/system_server.te
index e84175b..6a13816 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -1144,6 +1144,9 @@
 # Set persist.adb.tls_server.enable property
 set_prop(system_server, system_adbd_prop)
 
+# Set service.adbd.tradeinmode from ITradeInService.
+set_prop(system_server, adbd_tradeinmode_prop)
+
 # Allow invoking tools like "timeout"
 allow system_server toolbox_exec:file rx_file_perms;