1 files changed, 1 insertions, 1 deletions

diff --git a/src/xftfont.c b/src/xftfont.c
index 9474283c218..e533fd73791 100644
--- a/src/xftfont.c
+++ b/src/xftfont.c
@@ -360,7 +360,7 @@ xftfont_open (f, entity, pixel_size)
       int upEM = ft_face->units_per_EM;
 
       font->underline_position = -ft_face->underline_position * size / upEM;
-      font->underline_thickness = -ft_face->underline_thickness * size / upEM;
+      font->underline_thickness = ft_face->underline_thickness * size / upEM;
       if (font->underline_thickness > 2)
         font->underline_position -= font->underline_thickness / 2;
     }