diff --git a/private/sdk_sandbox.te b/private/sdk_sandbox.te
index fc4fce3..4806e6d 100644
--- a/private/sdk_sandbox.te
+++ b/private/sdk_sandbox.te
@@ -92,6 +92,7 @@
     -pan_result_prop
     -permissive_mte_prop
     -persist_debug_prop
+    -persist_sysui_builder_extras_prop
     -pm_prop
     -powerctl_prop
     -property_service_version_prop
diff --git a/private/zygote.te b/private/zygote.te
index 9c47468..d61a431 100644
--- a/private/zygote.te
+++ b/private/zygote.te
@@ -247,6 +247,10 @@
 # preloaded classes
 get_prop(zygote, persist_wm_debug_prop)
 
+# Allow zygote to read persist_sysui_builder_extras_prop to toggle experimental features in
+# core preloaded classes
+get_prop(zygote, persist_sysui_builder_extras_prop)
+
 # Allow zygote to read /apex/apex-info-list.xml
 allow zygote apex_info_file:file r_file_perms;