diff --git a/ares/buildconf b/ares/buildconf
index c1d0d03f1..364d5a06e 100755
--- a/ares/buildconf
+++ b/ares/buildconf
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 ${LIBTOOLIZE:-libtoolize} --copy --automake --force
-${ACLOCAL:-aclocal}
+${ACLOCAL:-aclocal} $ACLOCAL_FLAGS
 ${AUTOHEADER:-autoheader}
 ${AUTOCONF:-autoconf}
 ${AUTOMAKE:-automake} --add-missing