diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1ca64fff..1606e886 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -365,8 +365,8 @@ if (NOT MSVC)
   # Unicode is always supported on compilers other than MSVC.
 elseif (FMT_UNICODE)
   # Unicode support requires compiling with /utf-8.
-  target_compile_options(fmt PUBLIC $<$<COMPILE_LANGUAGE:CXX>:/utf-8>)
-  target_compile_options(fmt-header-only INTERFACE $<$<COMPILE_LANGUAGE:CXX>:/utf-8>)
+  target_compile_options(fmt PUBLIC $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CXX_COMPILER_ID:MSVC>>:/utf-8>)
+  target_compile_options(fmt-header-only INTERFACE $<$<AND:$<COMPILE_LANGUAGE:CXX>,$<CXX_COMPILER_ID:MSVC>>:/utf-8>)
 else ()
   target_compile_definitions(fmt PUBLIC FMT_UNICODE=0)
 endif ()
--
2.34.1