diff --git a/MagickWand/mogrify.c b/MagickWand/mogrify.c
index 121bb49..67694ca 100644
--- a/MagickWand/mogrify.c
+++ b/MagickWand/mogrify.c
@@ -2706,8 +2706,9 @@
if ((flags & PsiValue) == 0)
geometry_info.psi=4.0;
mogrify_image=ShadowImage(*image,geometry_info.rho,
- geometry_info.sigma,(ssize_t) ceil(geometry_info.xi-0.5),(ssize_t)
- ceil(geometry_info.psi-0.5),exception);
+ geometry_info.sigma,(*image)->bias,(ssize_t)
+ ceil(geometry_info.xi-0.5),(ssize_t) ceil(geometry_info.psi-0.5),
+ exception);
break;
}
if (LocaleCompare("sharpen",option+1) == 0)
@@ -3110,8 +3111,9 @@
if ((flags & PsiValue) == 0)
geometry_info.psi=0.1*(*image)->rows;
mogrify_image=VignetteImage(*image,geometry_info.rho,
- geometry_info.sigma,(ssize_t) ceil(geometry_info.xi-0.5),(ssize_t)
- ceil(geometry_info.psi-0.5),exception);
+ geometry_info.sigma,(*image)->bias,(ssize_t)
+ ceil(geometry_info.xi-0.5),(ssize_t) ceil(geometry_info.psi-0.5),
+ exception);
break;
}
if (LocaleCompare("virtual-pixel",option+1) == 0)