diff --git a/java/framework/src/android/system/virtualmachine/VirtualMachineCustomImageConfig.java b/java/framework/src/android/system/virtualmachine/VirtualMachineCustomImageConfig.java
index 219fdca..7a4f564 100644
--- a/java/framework/src/android/system/virtualmachine/VirtualMachineCustomImageConfig.java
+++ b/java/framework/src/android/system/virtualmachine/VirtualMachineCustomImageConfig.java
@@ -107,7 +107,7 @@
                 }
             }
         }
-        return null;
+        return builder.build();
     }
 
     PersistableBundle toPersistableBundle() {