diff --git a/src/lib/fs.rs b/src/lib/fs.rs
index 945a0a32c7bf..fcd95040ab05 100644
--- a/src/lib/fs.rs
+++ b/src/lib/fs.rs
@@ -183,7 +183,7 @@ fn change_dir(p: path) -> bool {
 
     #[cfg(target_os = "win32")]
     fn chdir(_p: path) -> bool {
-        ret str::as_buf(_p, {|buf| os::kernel32::SetCurrentDirectory(buf)});
+        ret str::as_buf(_p, {|buf| os::kernel32::SetCurrentDirectoryA(buf)});
     }
 
     #[cfg(target_os = "linux")]
diff --git a/src/lib/win32_os.rs b/src/lib/win32_os.rs
index 5099b7716d67..c926af31d51c 100644
--- a/src/lib/win32_os.rs
+++ b/src/lib/win32_os.rs
@@ -55,7 +55,7 @@ native mod kernel32 {
     fn CreateDirectoryA(lpPathName: LPCTSTR,
                         lpSecurityAttributes: LPSECURITY_ATTRIBUTES) -> bool;
     fn RemoveDirectoryA(lpPathName: LPCTSTR) -> bool;
-    fn SetCurrentDirectory(lpPathName: LPCTSTR) -> bool;
+    fn SetCurrentDirectoryA(lpPathName: LPCTSTR) -> bool;
 }
 
 // FIXME turn into constants