diff --git a/include/boost/gil/pixel.hpp b/include/boost/gil/pixel.hpp
index cf448fbc9..4d3e42bbf 100644
--- a/include/boost/gil/pixel.hpp
+++ b/include/boost/gil/pixel.hpp
@@ -47,6 +47,8 @@ template <typename PixelBased> struct is_planar;
 template <typename PixelBased> struct color_space_type<const PixelBased> : public color_space_type<PixelBased> {};
 template <typename PixelBased> struct channel_mapping_type<const PixelBased> : public channel_mapping_type<PixelBased> {};
 template <typename PixelBased> struct channel_type<const PixelBased> : public channel_type<PixelBased> {};
+
+template <typename PixelBased> struct is_planar : mpl::false_ {};
 template <typename PixelBased> struct is_planar<const PixelBased> : public is_planar<PixelBased> {};