diff --git a/compos/verify_key/verify_key.rs b/compos/verify_key/verify_key.rs
index e0ed5e5..a028264 100644
--- a/compos/verify_key/verify_key.rs
+++ b/compos/verify_key/verify_key.rs
@@ -21,7 +21,7 @@
 use compos_aidl_interface::binder::ProcessState;
 use compos_common::compos_client::{VmInstance, VmParameters};
 use compos_common::{
-    COMPOS_DATA_ROOT, CURRENT_INSTANCE_DIR, INSTANCE_IMAGE_FILE, PENDING_INSTANCE_DIR,
+    COMPOS_DATA_ROOT, CURRENT_INSTANCE_DIR, IDSIG_FILE, INSTANCE_IMAGE_FILE, PENDING_INSTANCE_DIR,
     PRIVATE_KEY_BLOB_FILE, PUBLIC_KEY_FILE, TEST_INSTANCE_DIR,
 };
 use std::fs::{self, File};
@@ -99,6 +99,7 @@
     let blob = instance_dir.join(PRIVATE_KEY_BLOB_FILE);
     let public_key = instance_dir.join(PUBLIC_KEY_FILE);
     let instance_image = instance_dir.join(INSTANCE_IMAGE_FILE);
+    let idsig = instance_dir.join(IDSIG_FILE);
 
     let blob = read_small_file(blob).context("Failed to read key blob")?;
     let public_key = read_small_file(public_key).context("Failed to read public key")?;
@@ -108,6 +109,7 @@
     let vm_instance = VmInstance::start(
         &*virtualization_service,
         instance_image,
+        &idsig,
         &VmParameters { debug_mode, ..Default::default() },
     )?;
     let service = vm_instance.get_service()?;