diff --git a/src/sys/build.rs b/src/sys/build.rs
index b5a6822..30a21c6 100644
--- a/src/sys/build.rs
+++ b/src/sys/build.rs
@@ -12,5 +12,5 @@ fn main() {
 
 #[cfg(target_os="windows")]
 fn main() {
-    println!("cargo:rustc-link-search={}/../../openvr/bin/win64", env!("CARGO_MANIFEST_DIR"));
+    println!("cargo:rustc-link-search={}\\..\\..\\openvr\\bin\\win64", env!("CARGO_MANIFEST_DIR"));
 }