diff --git a/private/property_contexts b/private/property_contexts
index 7020a8444..0feadddcc 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -674,6 +674,7 @@ libc.debug.hooks.enable   u:object_r:libc_debug_prop:s0 exact string
 
 # shell-only props for ARM memory tagging (MTE).
 arm64.memtag. u:object_r:arm64_memtag_prop:s0 prefix string
+persist.arm64.memtag.mode u:object_r:arm64_memtag_prop:s0 exact string
 
 net.redirect_socket_calls.hooked u:object_r:socket_hook_prop:s0 exact bool