diff --git a/javalib/src/android/system/virtualmachine/VirtualMachineConfig.java b/javalib/src/android/system/virtualmachine/VirtualMachineConfig.java
index 04a90e0..35d600a 100644
--- a/javalib/src/android/system/virtualmachine/VirtualMachineConfig.java
+++ b/javalib/src/android/system/virtualmachine/VirtualMachineConfig.java
@@ -206,6 +206,9 @@
             // TODO(jiyong): should we treat APP_ONLY and FULL the same?
             return false;
         }
+        if (this.mProtectedVm != other.mProtectedVm) {
+            return false;
+        }
         return true;
     }