diff --git a/src/polyfill.php b/src/polyfill.php
index b9b09fd8e..b10a6a120 100644
--- a/src/polyfill.php
+++ b/src/polyfill.php
@@ -1,7 +1,7 @@
 <?php
 
 if (PHP_OS_FAMILY === 'Windows') {
-    echo PHP_EOL.'========='.PHP_EOL.'WARNING: MadelineProto does not support Windows, please use Linux or another UNIX system (WSL on Windows, Mac OS, BSD, etc).'.PHP_EOL.'========='.PHP_EOL.PHP_EOL;
+    die(PHP_EOL.'========='.PHP_EOL.'WARNING: MadelineProto does not support Windows, please use Linux or another UNIX system (WSL on Windows, Mac OS, BSD, etc).'.PHP_EOL.'========='.PHP_EOL.PHP_EOL);
 }
 
 // Polyfill for some PHP 5 functions