diff --git a/coders/jp2.c b/coders/jp2.c
index c22d97e..c8667dc 100644
--- a/coders/jp2.c
+++ b/coders/jp2.c
@@ -45,6 +45,7 @@
#include "MagickCore/blob-private.h"
#include "MagickCore/cache.h"
#include "MagickCore/colorspace.h"
+#include "MagickCore/colorspace-private.h"
#include "MagickCore/color.h"
#include "MagickCore/color-private.h"
#include "MagickCore/exception.h"
@@ -849,7 +850,7 @@
/*
Initialize JPEG 2000 API.
*/
- if (image->colorspace != RGBColorspace)
+ if (IsRGBColorspace(image->colorspace) == MagickFalse)
(void) TransformImageColorspace(image,RGBColorspace);
jp2_stream=JP2StreamManager(image);
if (jp2_stream == (jas_stream_t *) NULL)