diff --git a/crates/bin/src/bin_util.rs b/crates/bin/src/bin_util.rs
index df49c3f1..9f3b5022 100644
--- a/crates/bin/src/bin_util.rs
+++ b/crates/bin/src/bin_util.rs
@@ -36,8 +36,8 @@ impl Termination for MainExit {
 }
 
 impl MainExit {
-    pub fn new(res: Result<()>, done: Duration) -> Self {
-        res.map(|()| MainExit::Success(Some(done)))
+    pub fn new(res: Result<()>, done: Option<Duration>) -> Self {
+        res.map(|()| MainExit::Success(done))
             .unwrap_or_else(|err| {
                 err.downcast::<BinstallError>()
                     .map(MainExit::Error)