diff --git a/http.c b/http.c
index d190f0c4..c11df8e9 100644
--- a/http.c
+++ b/http.c
@@ -422,6 +422,8 @@ evhttp_make_header(struct evhttp_connection *evcon, struct evhttp_request *req)
 	}
 	evbuffer_add(evcon->output_buffer, "\r\n", 2);
 
+	/* XXX EVBUFFER_LENGTH returns an unsigned value, so this test
+	 *      is always true. What is the intent of this test? -NM */
 	if (EVBUFFER_LENGTH(req->output_buffer) >= 0) {
 		/*
 		 * For a request, we add the POST data, for a reply, this