Index: Utilities/pic2vtk/pic2vtk.cpp
===================================================================
--- Utilities/pic2vtk/pic2vtk.cpp	(revision 22780)
+++ Utilities/pic2vtk/pic2vtk.cpp	(working copy)
@@ -974,7 +974,7 @@
 		return NULL;
 	}
 
-	reader->SetDataMask(0xffff);
+	reader->SetDataMask(VTK_UNSIGNED_LONG_MAX);
 	reader->SetHeaderSize ( pic->info->pixel_start_in_file );
 
 	reader->SetFileName( fileName );