1 diff --git a/guetzli/butteraugli_comparator.cc b/guetzli/butteraugli_comparator.cc
2 index 142c203..f4e710d 100644
3 --- a/guetzli/butteraugli_comparator.cc
4 +++ b/guetzli/butteraugli_comparator.cc
5 @@ -56,7 +56,7 @@ ButteraugliComparator::ButteraugliComparator(const int width, const int height,
7 target_distance_(target_distance),
9 - comparator_(LinearRgb(width_, height_, *rgb)),
10 + comparator_(LinearRgb(width_, height_, *rgb), 1.0f),