Octave class problem

% Contents of /fooBar/@foo/foo.m
function x = foo()
    x = class("foo");
endfunction

% Example of the problem
cd /fooBar/
x = foo(); % this works!
cd /baz/
addpath("/fooBar")
x = foo(); % this doesn't work, generates error "no such file, `/baz/@foo/foo.m'"