diff --git a/include/compat/unistd.h b/include/compat/unistd.h
index 2cd35dd..136490b 100644
--- a/include/compat/unistd.h
+++ b/include/compat/unistd.h
@@ -29,8 +29,8 @@ unsigned int sleep(unsigned int seconds);
 int getentropy(void *buf, size_t buflen);
 #endif
 
-#ifndef HAVE_TAME
-#define tame(request, paths) 0
+#ifndef HAVE_PLEDGE
+#define pledge(request, paths) 0
 #endif
 
 #endif
diff --git a/m4/check-libc.m4 b/m4/check-libc.m4
index 2e3e820..c0df011 100644
--- a/m4/check-libc.m4
+++ b/m4/check-libc.m4
@@ -18,10 +18,10 @@ AM_CONDITIONAL([HAVE_STRTONUM], [test "x$ac_cv_func_strtonum" = xyes])
 ])
 
 AC_DEFUN([CHECK_SYSCALL_COMPAT], [
-AC_CHECK_FUNCS([accept4 poll tame])
+AC_CHECK_FUNCS([accept4 pledge poll])
 AM_CONDITIONAL([HAVE_ACCEPT4], [test "x$ac_cv_func_accept4" = xyes])
+AM_CONDITIONAL([HAVE_PLEDGE], [test "x$ac_cv_func_pledge" = xyes])
 AM_CONDITIONAL([HAVE_POLL], [test "x$ac_cv_func_poll" = xyes])
-AM_CONDITIONAL([HAVE_TAME], [test "x$ac_cv_func_tame" = xyes])
 ])
 
 AC_DEFUN([CHECK_B64_NTOP], [