1 diff --git a/gfx/cairo/cairo/src/cairo-image-surface.c b/gfx/cairo/cairo/src/cairo-image-surface.c
2 --- a/gfx/cairo/cairo/src/cairo-image-surface.c
3 +++ b/gfx/cairo/cairo/src/cairo-image-surface.c
4 @@ -1243,6 +1243,9 @@ static cairo_image_color_t
6 cairo_image_color_t color;
8 + if (image->width == 0 || image->height == 0)
9 + return CAIRO_IMAGE_IS_MONOCHROME;
11 if (image->format == CAIRO_FORMAT_A1)
12 return CAIRO_IMAGE_IS_MONOCHROME;