diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3c7dfcd3..f6182629 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -99,7 +99,7 @@ elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
 endif()
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
-  add_compile_options(/wd4267 /wd4244 /wd5219)
+  add_compile_options(/utf-8 /wd4267 /wd4244 /wd5219)
 endif()
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")