diff --git a/coders/rgb.c b/coders/rgb.c
index ff1c65f..e97a747 100644
--- a/coders/rgb.c
+++ b/coders/rgb.c
@@ -1127,7 +1127,7 @@
       Convert MIFF to RGB raster pixels.
     */
     if (IsRGBColorspace(image->colorspace) == MagickFalse)
-      (void) TransformImageColorspace(image,RGBColorspace);
+      (void) TransformImageColorspace(image,RGBColorspace,exception);
     if ((LocaleCompare(image_info->magick,"RGBA") == 0) &&
         (image->matte == MagickFalse))
       (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);