diff --git a/MagickCore/effect.c b/MagickCore/effect.c index 6b0cc36..2d71df2 100644 --- a/MagickCore/effect.c +++ b/MagickCore/effect.c
@@ -3165,8 +3165,7 @@ contrast=GetPixelIntensity(image,pixels)-intensity; if (fabs(contrast) < threshold) { - alpha=(double) (QuantumScale* - GetPixelAlpha(image,pixels)); + alpha=(double) (QuantumScale*GetPixelAlpha(image,pixels)); pixel+=(*k)*alpha*pixels[i]; gamma+=(*k)*alpha; }