diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index ef12f788..96033d5b 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -160,6 +160,7 @@ if(PROJECT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
     target_compile_options(gtest-demo PRIVATE $<$<CXX_COMPILER_ID:MSVC>:/Zc:preprocessor>)
     target_link_libraries(catch2-demo PRIVATE Catch2::Catch2WithMain)
     target_compile_options(catch2-demo PRIVATE $<$<CXX_COMPILER_ID:MSVC>:/Zc:preprocessor>)
+    target_compile_definitions(basic_demo PRIVATE LIBASSERT_BREAK_ON_FAIL)
 
     if(APPLE)
       foreach(target ${dsym_targets})