diff --git a/core/java/android/os/Build.java b/core/java/android/os/Build.java
index 2e05b8d..9dc4a97 100755
--- a/core/java/android/os/Build.java
+++ b/core/java/android/os/Build.java
@@ -1560,7 +1560,7 @@
         String attestProp = getString(
                 TextUtils.formatSimple("ro.product.%s_for_attestation", property));
         return attestProp.equals(UNKNOWN)
-                ? getString(TextUtils.formatSimple("ro.product.vendor.%s", property)) : UNKNOWN;
+                ? getString(TextUtils.formatSimple("ro.product.vendor.%s", property)) : attestProp;
     }
 
     private static String[] getStringList(String property, String separator) {