diff --git a/lib.rs b/lib.rs
index 91b00008bd7d94ae33caa168901b3bc5290a5b2f..fee417cf01696533dcfca46327e7e39dc8348538 100644
--- a/lib.rs
+++ b/lib.rs
@@ -129,7 +129,7 @@ pub fn cpu_id() -> usize {
 }
 
 pub extern fn userspace_init() {
-    assert_eq!(syscall::chdir(b"initfs:bin/"), Ok(0));
+    assert_eq!(syscall::chdir(b"initfs:bin"), Ok(0));
 
     assert_eq!(syscall::open(b"debug:", 0), Ok(0));
     assert_eq!(syscall::open(b"debug:", 0), Ok(1));