diff --git a/cmake/modules/ClangTidy.cmake b/cmake/modules/ClangTidy.cmake
--- a/cmake/modules/ClangTidy.cmake
+++ b/cmake/modules/ClangTidy.cmake
@@ -16,7 +16,7 @@
 	message(STATUS "Using clang-tidy: ${CLANG_TIDY_EXE} (version ${CLANG_TIDY_VERSION})")
 endif()
 
-set(CLANG_TIDY_ARGS "${CLANG_TIDY_EXE}" -fix)
+set(CLANG_TIDY_ARGS "${CLANG_TIDY_EXE}" -warnings-as-errors=*)
 
 set(CMAKE_C_CLANG_TIDY ${CLANG_TIDY_ARGS})
 set(CMAKE_CXX_CLANG_TIDY ${CLANG_TIDY_ARGS})