diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index c2abdd9559d..7a0ee04e4ac 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -6,6 +6,8 @@ add_compile_options($<TARGET_PROPERTY:compiler,warning_shadow_variables>)
 add_subdirectory(crc)
 if(NOT CONFIG_EXTERNAL_LIBC)
 add_subdirectory(libc)
+endif()
+if(NOT CONFIG_NATIVE_LIBC)
 add_subdirectory(posix)
 endif()
 add_subdirectory_ifdef(CONFIG_CPP                  cpp)