diff --git a/Isosurfacing_3/benchmark/Isosurfacing_3/CMakeLists.txt b/Isosurfacing_3/benchmark/Isosurfacing_3/CMakeLists.txt
index 722c6770a76..3acdc260fd3 100644
--- a/Isosurfacing_3/benchmark/Isosurfacing_3/CMakeLists.txt
+++ b/Isosurfacing_3/benchmark/Isosurfacing_3/CMakeLists.txt
@@ -12,8 +12,9 @@ find_package(TBB)
 include(CGAL_TBB_support)
 if(TARGET CGAL::TBB_support)
   target_link_libraries(benchmark PUBLIC CGAL::TBB_support)
-  target_compile_definitions(benchmark PUBLIC ${SCENARIO})
-  target_compile_definitions(benchmark PUBLIC ${KERNEL})
-  target_compile_definitions(benchmark PUBLIC ${ALGO})
-  target_compile_definitions(benchmark PUBLIC ${TAG})
 endif()
+
+target_compile_definitions(benchmark PUBLIC ${SCENARIO})
+target_compile_definitions(benchmark PUBLIC ${KERNEL})
+target_compile_definitions(benchmark PUBLIC ${ALGO})
+target_compile_definitions(benchmark PUBLIC ${TAG})