diff --git a/tests/backcompat_test/src/main.rs b/tests/backcompat_test/src/main.rs
index 4113881..a7fb074 100644
--- a/tests/backcompat_test/src/main.rs
+++ b/tests/backcompat_test/src/main.rs
@@ -117,10 +117,9 @@
         /* consoleIn */ None,
         None,
         Some(dump_dt),
-        None,
     )
     .context("Failed to create VM")?;
-    vm.start().context("Failed to start VM")?;
+    vm.start(None).context("Failed to start VM")?;
     info!("Started example VM.");
 
     // Wait for VM to finish