1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index f58708c3f..4c90d6c48 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1278,7 +1278,7 @@ AC_HEADER_STDC
 AC_CHECK_HEADERS([string.h unistd.h langinfo.h termio.h locale.h getopt.h \
                   pty.h utmp.h pwd.h inttypes.h signal.h sys/select.h     \
                   stdint.h signal.h util.h libutil.h termios.h \
-                  ucred.h])
+                  ucred.h sys/sysmacros.h])
 
 AC_HEADER_TIME