...

diff --git a/MagickCore/accelerate-kernels-private.h b/MagickCore/accelerate-kernels-private.h
index ac81323cbb3bb24f7a27029e859104b29f92cbc7..3d9dd20ccea4bff3aaf9a935a1e03e481aa1873a 100644 (file)
--- a/MagickCore/accelerate-kernels-private.h
+++ b/MagickCore/accelerate-kernels-private.h
@@ -484,7 +484,7 @@ OPENCL_ENDIF()
   {
     float intensity;
 
-    if (colorspace == GRAYColorspace)
+    if ((colorspace == GRAYColorspace) || (colorspace == LinearGRAYColorspace))
       return red;
 
     switch (method)