diff --git a/src/fs_find_mount_point.cpp b/src/fs_find_mount_point.cpp
index 6a851e26..f0dd0074 100644
--- a/src/fs_find_mount_point.cpp
+++ b/src/fs_find_mount_point.cpp
@@ -22,7 +22,7 @@ fs::find_mount_point(const ghc::filesystem::path &path_)
   if(rv == -1)
     {
       ec.assign(errno,std::generic_category());      
-      return nonstd::make_unexpected(ec);
+      return nonstd::make_unexpected({errno,std::generic_category()});
     }
 
   tmp_path = can_path;