diff --git a/core/sys/windows/xinput.odin b/core/sys/windows/xinput.odin
index 014d2573a..0089f88cb 100644
--- a/core/sys/windows/xinput.odin
+++ b/core/sys/windows/xinput.odin
@@ -1,4 +1,4 @@
-// +build windows
+#+build windows
 package sys_windows
 
 foreign import "system:xinput.lib"