diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/src/main.rs b/src/main.rs
index 919844b..458ecf4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -95,11 +95,13 @@ impl Monitor {
 
     /// Was the file modified since the last check?
     fn check_file_modified(&mut self, lease_file_path: &str) -> bool {
-        let metadata = fs::metadata(&lease_file_path);
+        let metadata = match fs::metadata(&lease_file_path) {
+            Ok(m) => m,
+            Err(_) => return false,
+        };
         let current_timestamp = metadata
-            .expect("Unsupported platform")
             .modified()
-            .expect("Error getting modification timestamp");
+            .expect("Unsupported platform: cannot read file mtime");
 
         let last_timestamp = self
             .timestamps