diff --git a/aos/starter/starterd_lib.cc b/aos/starter/starterd_lib.cc
index 5c64201..1c32be3 100644
--- a/aos/starter/starterd_lib.cc
+++ b/aos/starter/starterd_lib.cc
@@ -84,7 +84,7 @@
   }
 
   if (user_) {
-    if (seteuid(*user_) == -1 || setfsuid(*user_) == -1) {
+    if (setuid(*user_) == -1) {
       write_pipe_.Write(
           static_cast<uint32_t>(aos::starter::LastStopReason::SET_USR_ERR));
       PLOG(FATAL) << "Could not set user for " << name_ << " to " << *user_;
@@ -476,6 +476,10 @@
 }
 
 void Starter::Run() {
+#ifdef AOS_ARCHITECTURE_arm_frc
+  PCHECK(setuid(0) == 0) << "Failed to change user to root";
+#endif
+
   for (auto &application : applications_) {
     application.second.Start();
   }