diff --git a/coders/art.c b/coders/art.c
index 3dbc9af..eafb129 100644
--- a/coders/art.c
+++ b/coders/art.c
@@ -309,7 +309,7 @@
   if ((image->columns > 65535UL) || (image->rows > 65535UL))
     ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
   if (IsRGBColorspace(image->colorspace) == MagickFalse)
-    (void) TransformImageColorspace(image,RGBColorspace,exception);
+    (void) TransformImageColorspace(image,sRGBColorspace,exception);
   (void) SetImageType(image,BilevelType,exception);
   image->endian=MSBEndian;
   image->depth=1;