diff --git a/prebuilts/api/29.0/private/system_server_startup.te b/prebuilts/api/29.0/private/system_server_startup.te
index ad9fb4465..f1427a9e2 100644
--- a/prebuilts/api/29.0/private/system_server_startup.te
+++ b/prebuilts/api/29.0/private/system_server_startup.te
@@ -18,3 +18,6 @@ allow system_server_startup mnt_expand_file:dir getattr;
 # system_server domain
 allow system_server_startup self:process setcurrent;
 allow system_server_startup system_server:process dyntransition;
+
+# Child of the zygote.
+allow system_server_startup zygote:process sigchld;