diff --git a/sepolicy/vendor/hal_sensors_default.te b/sepolicy/vendor/hal_sensors_default.te
index a3749c16..fa473a87 100644
--- a/sepolicy/vendor/hal_sensors_default.te
+++ b/sepolicy/vendor/hal_sensors_default.te
@@ -8,3 +8,8 @@ allowxperm hal_sensors_default self:socket ioctl msm_sock_ipc_ioctls;
 r_dir_file(hal_sensors_default, sysfs_msm_subsys);
 
 allow hal_sensors_default qdsp_device:chr_file r_file_perms;
+
+userdebug_or_eng(`
+  r_dir_file(hal_sensors_default, sysfs_diag)
+  allow hal_sensors_default sysfs_timestamp_switch:file r_file_perms;
+')
diff --git a/sepolicy/vendor/sensors.te b/sepolicy/vendor/sensors.te
index d556c3e7..fb4cf3af 100644
--- a/sepolicy/vendor/sensors.te
+++ b/sepolicy/vendor/sensors.te
@@ -25,3 +25,8 @@ allow sensors sysfs_soc:dir r_dir_perms;
 allow sensors sysfs_soc:file r_file_perms;
 
 r_dir_file(sensors, sysfs_msm_subsys)
+
+userdebug_or_eng(`
+  r_dir_file(sensors, sysfs_diag)
+  allow sensors sysfs_timestamp_switch:file r_file_perms;
+')