diff --git a/private/system_server.te b/private/system_server.te
index f8645fcb6f29f82057115b3b35ccebf45ccb1595..ccdc93fe3a9af4ec1ad40e9233ec0ef65bc25c63 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -114,6 +114,9 @@ allow system_server hal_camera:process { getsched setsched };
 allow system_server mediaserver:process { getsched setsched };
 allow system_server bootanim:process { getsched setsched };
 
+# Allow system_server to write to cameraserver's /proc/<pid>/timerslack_ns
+allow system_server cameraserver:file w_file_perms;
+
 # Read /proc/pid data for all domains. This is used by ProcessCpuTracker
 # within system_server to keep track of memory and CPU usage for
 # all processes on the device. In addition, /proc/pid files access is needed