diff --git a/CMakeLists.txt b/CMakeLists.txt
index bc5b1e01..d8bb691f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,9 +41,9 @@ if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
 endif()
 
 if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
-    add_compile_options(-fdiagnostics-color=always)
+  add_compile_options(-fdiagnostics-color=always)
 elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
-    add_compile_options(-fcolor-diagnostics)
+  add_compile_options(-fcolor-diagnostics)
 endif()
 
 include(${CMAKE_SOURCE_DIR}/cmake/version.cmake)