diff --git a/legacy/whitechapel_pro/property.te b/legacy/whitechapel_pro/property.te
index 56ea2611..676fa651 100644
--- a/legacy/whitechapel_pro/property.te
+++ b/legacy/whitechapel_pro/property.te
@@ -22,3 +22,5 @@ system_vendor_config_prop(vendor_uwb_calibration_prop)
 # Dynamic sensor
 vendor_internal_prop(vendor_dynamic_sensor_prop)
 
+# Trusty storage FS ready
+vendor_internal_prop(vendor_trusty_storage_prop)
diff --git a/legacy/whitechapel_pro/property_contexts b/legacy/whitechapel_pro/property_contexts
index 830ce69f..8945ca6e 100644
--- a/legacy/whitechapel_pro/property_contexts
+++ b/legacy/whitechapel_pro/property_contexts
@@ -51,3 +51,5 @@ ro.vendor.uwb.calibration.                 u:object_r:vendor_uwb_calibration_pro
 # Dynamic sensor
 vendor.dynamic_sensor.                     u:object_r:vendor_dynamic_sensor_prop:s0
 
+# Trusty
+ro.vendor.trusty.storage.fs_ready          u:object_r:vendor_trusty_storage_prop:s0
diff --git a/legacy/whitechapel_pro/tee.te b/legacy/whitechapel_pro/tee.te
index 58228b5a..811dcbbc 100644
--- a/legacy/whitechapel_pro/tee.te
+++ b/legacy/whitechapel_pro/tee.te
@@ -15,3 +15,5 @@ read_fstab(tee)
 # storageproxyd starts before /data is mounted. It handles /data not being there
 # gracefully. However, attempts to access /data trigger a denial.
 dontaudit tee unlabeled:dir { search };
+
+set_prop(tee, vendor_trusty_storage_prop)
diff --git a/legacy/whitechapel_pro/vendor_init.te b/legacy/whitechapel_pro/vendor_init.te
index 97a84f5d..f4769976 100644
--- a/legacy/whitechapel_pro/vendor_init.te
+++ b/legacy/whitechapel_pro/vendor_init.te
@@ -23,3 +23,6 @@ allow vendor_init modem_img_file:filesystem { getattr };
 
 # Battery
 set_prop(vendor_init, vendor_battery_defender_prop)
+
+# Trusty storage FS ready
+get_prop(vendor_init, vendor_trusty_storage_prop)