diff --git a/vm/src/main.rs b/vm/src/main.rs
index 89d56d4..cc7aad7 100644
--- a/vm/src/main.rs
+++ b/vm/src/main.rs
@@ -304,3 +304,14 @@
 
     Ok(())
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use clap::IntoApp;
+
+    #[test]
+    fn verify_app() {
+        Opt::into_app().debug_assert();
+    }
+}