diff --git a/whitechapel/vendor/google/hal_usb_impl.te b/whitechapel/vendor/google/hal_usb_impl.te
index 6b6d19f6..97ec1c7c 100644
--- a/whitechapel/vendor/google/hal_usb_impl.te
+++ b/whitechapel/vendor/google/hal_usb_impl.te
@@ -23,3 +23,6 @@ hal_client_domain(hal_usb_impl, hal_thermal);
 
 # For reading the usb-c throttling stats
 allow hal_usb_impl sysfs_usbc_throttling_stats:file r_file_perms;
+
+# For checking contaminant detection status
+get_prop(hal_usb_impl, vendor_usb_config_prop);