diff --git a/examples/cpp-project-example/CMakeLists.txt b/examples/cpp-project-example/CMakeLists.txt
index 55f7e6c..3fc13be 100644
--- a/examples/cpp-project-example/CMakeLists.txt
+++ b/examples/cpp-project-example/CMakeLists.txt
@@ -8,5 +8,5 @@ add_executable(clay_examples_cpp_project_example main.cpp)
 
 target_include_directories(clay_examples_cpp_project_example PUBLIC .)
 
-set(CMAKE_C_FLAGS_DEBUG "-Werror -Wall")
-set(CMAKE_C_FLAGS_RELEASE "-O3")
\ No newline at end of file
+set(CMAKE_CXX_FLAGS_DEBUG "-Werror -Wall")
+set(CMAKE_CXX_FLAGS_RELEASE "-O3")
\ No newline at end of file