diff --git a/virtualizationservice/aidl/android/system/virtualizationservice/VirtualMachineAppConfig.aidl b/virtualizationservice/aidl/android/system/virtualizationservice/VirtualMachineAppConfig.aidl
index 4dcfb88..a5f7c3c 100644
--- a/virtualizationservice/aidl/android/system/virtualizationservice/VirtualMachineAppConfig.aidl
+++ b/virtualizationservice/aidl/android/system/virtualizationservice/VirtualMachineAppConfig.aidl
@@ -23,6 +23,9 @@
     /** idsig for an APK */
     ParcelFileDescriptor idsig;
 
+    /** instance.img that has per-instance data */
+    ParcelFileDescriptor instanceImage;
+
     /** Path to a configuration in an APK. This is the actual configuration for a VM. */
     @utf8InCpp String configPath;
 
diff --git a/virtualizationservice/src/aidl.rs b/virtualizationservice/src/aidl.rs
index 3ebde6f..44d89e7 100644
--- a/virtualizationservice/src/aidl.rs
+++ b/virtualizationservice/src/aidl.rs
@@ -339,6 +339,8 @@
 ) -> Result<VirtualMachineRawConfig> {
     let apk_file = config.apk.as_ref().unwrap().as_ref();
     let idsig_file = config.idsig.as_ref().unwrap().as_ref();
+    // TODO(b/193504400) pass this to crosvm
+    let _instance_file = config.instanceImage.as_ref().unwrap().as_ref();
     let config_path = &config.configPath;
 
     let mut apk_zip = ZipArchive::new(apk_file)?;