diff --git a/coders/art.c b/coders/art.c
index 9cd9b51..677f2fa 100644
--- a/coders/art.c
+++ b/coders/art.c
@@ -310,7 +310,7 @@
if ((image->columns > 65535UL) || (image->rows > 65535UL))
ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
if ((IssRGBColorspace(image->colorspace) == MagickFalse) &&
- (IssRGBColorspace(image->colorspace) == MagickFalse))
+ (IsRGBColorspace(image->colorspace) == MagickFalse))
(void) TransformImageColorspace(image,sRGBColorspace,exception);
(void) SetImageType(image,BilevelType,exception);
image->endian=MSBEndian;