diff --git a/src/core/config.rs b/src/core/config.rs
index 9bc9b41..786c815 100644
--- a/src/core/config.rs
+++ b/src/core/config.rs
@@ -136,6 +136,7 @@ mod tests {
         settings.device.device_id = device_id.clone();
         Config::save_changes(&settings, &device_id);
         let config = Config::load_configuration_file();
+        assert!(!config.devices.is_empty(), "Devices list is empty after saving changes!");
         assert_eq!(config.devices[0].device_id, device_id);
     }