diff --git a/src/main.rs b/src/main.rs
index f7e5c2c..3d34766 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,8 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
+#[cfg(not(target_os = "windows"))]
+compile_error!("This application must be compiled on Windows.");
+
 mod features;
 mod gui;
 mod util;