diff --git a/coders/jp2.c b/coders/jp2.c
index 0c74b7a..02f09ab 100644
--- a/coders/jp2.c
+++ b/coders/jp2.c
@@ -858,7 +858,7 @@
     Initialize JPEG 2000 API.
   */
   if (IsRGBColorspace(image->colorspace) == MagickFalse)
-    (void) TransformImageColorspace(image,RGBColorspace,exception);
+    (void) TransformImageColorspace(image,sRGBColorspace,exception);
   jp2_stream=JP2StreamManager(image);
   if (jp2_stream == (jas_stream_t *) NULL)
     ThrowWriterException(DelegateError,"UnableToManageJP2Stream");