diff --git a/CMakeLists.txt b/CMakeLists.txt
index 69f92f624..c5d08d6fe 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -525,11 +525,11 @@ target_include_directories(torrent-rasterbar PUBLIC
 target_compile_definitions(torrent-rasterbar
 	PUBLIC
 		$<$<CONFIG:Debug>:TORRENT_USE_ASSERTS>
+		BOOST_ASIO_ENABLE_CANCELIO
 	PRIVATE
 		TORRENT_BUILDING_LIBRARY
 		_FILE_OFFSET_BITS=64
 		BOOST_EXCEPTION_DISABLE
-		BOOST_ASIO_ENABLE_CANCELIO
 		BOOST_ASIO_HAS_STD_CHRONO
 )