diff --git a/CMakeLists.txt b/CMakeLists.txt
index 25e000e2..2400684e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -93,6 +93,7 @@ function(add_module_library name)
       set(CMAKE_CXX_SCAN_FOR_MODULES ON)
       message(STATUS "CMAKE_CXX_MODULE_STD=${CMAKE_CXX_MODULE_STD}")
       target_compile_definitions(${name} PUBLIC FMT_IMPORT_STD)
+      set_target_properties(${name} PROPERTIES CXX_MODULE_STD ON)
     else()
       set(CMAKE_CXX_MODULE_STD OFF)
       message(WARNING "CMAKE_CXX_MODULE_STD=${CMAKE_CXX_MODULE_STD}")