diff --git a/resources/js/php.js b/resources/js/php.js
index 07231af8..1cf8545c 100644
--- a/resources/js/php.js
+++ b/resources/js/php.js
@@ -26,10 +26,12 @@ const platform = {
 if (isWindows) {
     platform.os = 'win';
     platform.phpBinary += '.exe';
+    platform.arch = 'x64';
 }
 
 if (isLinux) {
     platform.os = 'linux';
+    platform.arch = 'x64';
 }
 
 if (isDarwin) {