diff --git a/aclocal/ax_lib_event.m4 b/aclocal/ax_lib_event.m4
index 08043b4..56aefcc 100644
--- a/aclocal/ax_lib_event.m4
+++ b/aclocal/ax_lib_event.m4
@@ -181,6 +181,7 @@
             else
               AC_MSG_RESULT(yes)
               AC_DEFINE(HAVE_LIBEVENT,,[define if libevent is available])
+              ax_have_libevent_[]m4_translit([$1], [.], [_])="yes"
             fi
 
             ax_have_libevent="$success"