diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..ec12475
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,7 @@
+fn main() {
+    // rcon is required on Windows
+    #[cfg(all(windows, not(feature = "rcon")))]
+    {
+        compile_error!("required feature missing on Windows: rcon");
+    }
+}