diff --git a/rpcs3/Emu/Cell/lv2/sys_time.cpp b/rpcs3/Emu/Cell/lv2/sys_time.cpp
index ab5727104a..389300bbf6 100644
--- a/rpcs3/Emu/Cell/lv2/sys_time.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_time.cpp
@@ -1,6 +1,7 @@
 #include "stdafx.h"
 #include "sys_time.h"
 
+#include "sys_process.h"
 #include "Emu/system_config.h"
 #include "Emu/Cell/ErrorCodes.h"
 #include "Emu/Cell/timers.hpp"
@@ -220,7 +221,12 @@ u64 get_guest_system_time(u64 time)
 // Functions
 error_code sys_time_set_timezone(s32 timezone, s32 summertime)
 {
-	sys_time.todo("sys_time_set_timezone(timezone=0x%x, summertime=0x%x)", timezone, summertime);
+	sys_time.trace("sys_time_set_timezone(timezone=0x%x, summertime=0x%x)", timezone, summertime);
+
+	if (!g_ps3_process_info.has_root_perm())
+	{
+		return CELL_ENOSYS;
+	}
 
 	return CELL_OK;
 }
@@ -383,7 +389,12 @@ error_code sys_time_get_current_time(vm::ptr<s64> sec, vm::ptr<s64> nsec)
 
 error_code sys_time_set_current_time(s64 sec, s64 nsec)
 {
-	sys_time.todo("sys_time_set_current_time(sec=0x%x, nsec=0x%x)", sec, nsec);
+	sys_time.trace("sys_time_set_current_time(sec=0x%x, nsec=0x%x)", sec, nsec);
+
+	if (!g_ps3_process_info.has_root_perm())
+	{
+		return CELL_ENOSYS;
+	}
 
 	return CELL_OK;
 }