diff --git a/src/fs_find_mount_point.cpp b/src/fs_find_mount_point.cpp
index 1c5ca0bc..8895482f 100644
--- a/src/fs_find_mount_point.cpp
+++ b/src/fs_find_mount_point.cpp
@@ -19,7 +19,7 @@ fs::find_mount_point(const ghc::filesystem::path &path_)
     return nonstd::make_unexpected(ec);
   
   rv = fs::lstat(can_path,&initial_st);
-  ec.assign(errno);
+  ec = errno;
   if(rv == -1)
 
     return nonstd::make_unexpected(std::error_code(errno,std::generic_category()));