diff --git a/vm/src/main.rs b/vm/src/main.rs
index 9fa805e..b364275 100644
--- a/vm/src/main.rs
+++ b/vm/src/main.rs
@@ -387,10 +387,11 @@
 #[cfg(test)]
 mod tests {
     use super::*;
-    use clap::IntoApp;
+    use clap::CommandFactory;
 
     #[test]
     fn verify_app() {
-        Opt::into_app().debug_assert();
+        // Check that the command parsing has been configured in a valid way.
+        Opt::command().debug_assert();
     }
 }