diff --git a/coders/hrz.c b/coders/hrz.c
index cd588cd..d6331de 100644
--- a/coders/hrz.c
+++ b/coders/hrz.c
@@ -308,7 +308,7 @@
   if (hrz_image == (Image *) NULL)
     return(MagickFalse);
   if (IsRGBColorspace(hrz_image->colorspace) == MagickFalse)
-    (void) TransformImageColorspace(hrz_image,RGBColorspace,exception);
+    (void) TransformImageColorspace(hrz_image,sRGBColorspace,exception);
   /*
     Allocate memory for pixels.
   */