diff --git a/cmake/ftxui_set_options.cmake b/cmake/ftxui_set_options.cmake
index b4d68eaf..9b546962 100644
--- a/cmake/ftxui_set_options.cmake
+++ b/cmake/ftxui_set_options.cmake
@@ -45,7 +45,8 @@ function(ftxui_set_options library)
 
   # Force Microsoft Visual Studio to decode sources files in UTF-8. This applies
   # to the library and the library users.
-  if (CMAKE_CXX_COMPILER_ID STREQUAL MSVC)
+
+  if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
     target_compile_options(${library} PUBLIC "/utf-8")
   endif()