diff --git a/boost/gil/extension/toolbox/hsv.hpp b/boost/gil/extension/toolbox/hsv.hpp
index dc992feb0..afaf1ff8a 100644
--- a/boost/gil/extension/toolbox/hsv.hpp
+++ b/boost/gil/extension/toolbox/hsv.hpp
@@ -61,8 +61,8 @@ struct default_color_converter_impl< rgb_t, hsv_t >
 
       bits32f hue, saturation, value;
 
-      bits32f min_color = (std::min)( temp_red, (std::min)( temp_green, temp_blue ));
-      bits32f max_color = (std::max)( temp_red, (std::max)( temp_green, temp_blue ));
+      bits32f min_color = std::min(temp_red,std::min(temp_green, temp_blue));
+      bits32f max_color = std::max(temp_red,std::max(temp_green, temp_blue));
 
       value = max_color;
 
@@ -85,7 +85,7 @@ struct default_color_converter_impl< rgb_t, hsv_t >
       }   
       else
       { 
-         if( (std::abs)( boost::numeric_cast<int>(temp_red - max_color) ) < 0.0001f )
+         if( std::abs( boost::numeric_cast<int>(temp_red - max_color) ) < 0.0001f )
          {
             hue = ( temp_green - temp_blue )
                 / diff;
@@ -129,7 +129,7 @@ struct default_color_converter_impl<hsv_t,rgb_t>
       bits32f red, green, blue;
 
       //If saturation is 0, the color is a shade of gray
-      if( abs( get_color( src, saturation_t() )) < 0.0001f  )
+      if( std::abs( get_color( src, saturation_t() )) < 0.0001f  )
       {
          // If saturation is 0, the color is a shade of gray
          red   = get_color( src, value_t() );