diff --git a/Tests/images/test_y_offset.png b/Tests/images/test_y_offset.png
index 5a166be8c2e..2d57890cb5f 100644
Binary files a/Tests/images/test_y_offset.png and b/Tests/images/test_y_offset.png differ
diff --git a/src/_imagingft.c b/src/_imagingft.c
index 6eebc93461c..000cab2de36 100644
--- a/src/_imagingft.c
+++ b/src/_imagingft.c
@@ -686,8 +686,8 @@ font_getsize(FontObject* self, PyObject* args)
                     x_max -= offset;
             }
 
-            bbox.yMax -= glyph_info[i].y_offset;
-            bbox.yMin -= glyph_info[i].y_offset;
+            bbox.yMax += glyph_info[i].y_offset;
+            bbox.yMin += glyph_info[i].y_offset;
             if (bbox.yMax > y_max)
                 y_max = bbox.yMax;
             if (bbox.yMin < y_min)