diff --git a/MagickCore/effect.c b/MagickCore/effect.c
index a230214..aea3959 100644
--- a/MagickCore/effect.c
+++ b/MagickCore/effect.c
@@ -2464,7 +2464,7 @@
         if (preview_image == (Image *) NULL)
           break;
         threshold+=0.4f;
-        (void) SegmentImage(preview_image,RGBColorspace,MagickFalse,threshold,
+        (void) SegmentImage(preview_image,sRGBColorspace,MagickFalse,threshold,
           threshold,exception);
         (void) FormatLocaleString(label,MaxTextExtent,"segment %gx%g",
           threshold,threshold);