diff --git a/installd.te b/installd.te
index 6c7fea4..3f685f1 100644
--- a/installd.te
+++ b/installd.te
@@ -83,5 +83,7 @@
 # upon package uninstall.
 # Types extracted from seapp_contexts type= fields.
 allow installd { system_app_data_file bluetooth_data_file nfc_data_file radio_data_file shell_data_file app_data_file }:dir { create_dir_perms relabelfrom relabelto };
-allow installd { system_app_data_file bluetooth_data_file nfc_data_file radio_data_file shell_data_file app_data_file }:lnk_file { create setattr getattr unlink rename relabelfrom relabelto };
-allow installd { system_app_data_file bluetooth_data_file nfc_data_file radio_data_file shell_data_file app_data_file }:{ file sock_file fifo_file } { getattr unlink rename relabelfrom relabelto setattr };
+allow installd { system_app_data_file bluetooth_data_file nfc_data_file radio_data_file shell_data_file app_data_file }:notdevfile_class_set { create_file_perms relabelfrom relabelto };
+
+# Create and use pty created by android_fork_execvp().
+allow installd devpts:chr_file rw_file_perms;