diff --git a/crates/fj-host/src/host.rs b/crates/fj-host/src/host.rs
index 8a556e10b..9e1c20219 100644
--- a/crates/fj-host/src/host.rs
+++ b/crates/fj-host/src/host.rs
@@ -16,11 +16,11 @@ impl Host {
     pub fn from_model(model: Model) -> Result<Self, Error> {
         let watch_path = model.watch_path();
         let evaluator = Evaluator::from_model(model);
-        let _watcher = Watcher::watch_model(&watch_path, &evaluator)?;
+        let watcher = Watcher::watch_model(&watch_path, &evaluator)?;
 
         Ok(Self {
             evaluator,
-            _watcher,
+            _watcher: watcher,
         })
     }
 
diff --git a/crates/fj-host/src/model.rs b/crates/fj-host/src/model.rs
index 7755da9db..43213dd0f 100644
--- a/crates/fj-host/src/model.rs
+++ b/crates/fj-host/src/model.rs
@@ -109,16 +109,16 @@ impl Model {
 
             let version_pkg_model: libloading::Symbol<*const Version> =
                 lib.get(b"VERSION_PKG").map_err(Error::LoadingVersion)?;
-            let version_pkg_mode = (**version_pkg_model).to_string();
+            let version_pkg_model = (**version_pkg_model).to_string();
 
             debug!(
                 "Comparing package versions (host: {}, model: {})",
-                version_pkg_host, version_pkg_mode
+                version_pkg_host, version_pkg_model
             );
-            if version_pkg_host != version_pkg_mode {
+            if version_pkg_host != version_pkg_model {
                 let host = String::from_utf8_lossy(version_pkg_host.as_bytes())
                     .into_owned();
-                let model = version_pkg_mode;
+                let model = version_pkg_model;
 
                 return Err(Error::VersionMismatch { host, model });
             }
diff --git a/crates/fj-window/src/run.rs b/crates/fj-window/src/run.rs
index 933f3b346..cf1dce713 100644
--- a/crates/fj-window/src/run.rs
+++ b/crates/fj-window/src/run.rs
@@ -209,8 +209,10 @@ pub fn run(
                         Ok(new_host) => {
                             host = Some(new_host);
                         }
-                        Err(_) => {
-                            status.update_status("Error creating host.");
+                        Err(err) => {
+                            status.update_status(&format!(
+                                "Error creating host: {err}"
+                            ));
                         }
                     }
                 }