diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 40229bce0f..3cc604930e 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -7258,7 +7258,7 @@ os_sched_getaffinity_impl(PyObject *module, pid_t pid)
 #ifdef HAVE_UTMP_H
 #include <utmp.h>
 #endif /* HAVE_UTMP_H */
-#elif defined(HAVE_LIBUTIL_H)
+#elif defined(HAVE_LIBUTIL_H) && !defined(__APPLE__)
 #include <libutil.h>
 #elif defined(HAVE_UTIL_H)
 #include <util.h>