diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4
index 2dd2d818b..de134f7c6 100644
--- a/m4/jm-macros.m4
+++ b/m4/jm-macros.m4
@@ -34,6 +34,7 @@ AC_DEFUN(jm_MACROS,
   AC_REQUIRE([jm_FUNC_STAT])
   AC_REQUIRE([jm_FUNC_REALLOC])
   AC_REQUIRE([jm_FUNC_MALLOC])
+  AC_REQUIRE([jm_FUNC_NANOSLEEP])
   AC_REQUIRE([jm_FUNC_READDIR])
   AC_REQUIRE([jm_FUNC_MEMCMP])
   AC_REQUIRE([jm_FUNC_GLIBC_UNLOCKED_IO])