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diff --git a/Magick++/lib/Image.cpp b/Magick++/lib/Image.cpp
index 11c95fd17d7f530448cd8bfba40fe260271fd224..a22bd0dd732f6bb98e758aae28866d3a9d014bec 100644 (file)
--- a/Magick++/lib/Image.cpp
+++ b/Magick++/lib/Image.cpp
@@ -2802,8 +2802,10 @@ size_t Magick::Image::colorMapSize ( void )
 // Image colorspace
 void Magick::Image::colorSpace( const ColorspaceType colorSpace_ )
 {
-  modifyImage();
+  if ( image()->colorspace == colorSpace_ )
+    return;
 
+  modifyImage();
   ExceptionInfo exceptionInfo;
   GetExceptionInfo( &exceptionInfo );
   TransformImageColorspace(image(), colorSpace_, &exceptionInfo);