diff --git a/src/fs_acl.cpp b/src/fs_acl.cpp
index e3d6a7c0..1eb590d0 100644
--- a/src/fs_acl.cpp
+++ b/src/fs_acl.cpp
@@ -50,7 +50,7 @@ namespace fs
       int rv;
       int fd;
 
-      fd = fs::openat(fd_,relpath_.parent_path(),O_RDONLY|O_DIRECTORY);
+      fd = fs::openat(dirfd_,relpath_.parent_path(),O_RDONLY|O_DIRECTORY);
       if(fd < 0)
         return false;