diff --git a/NEWS b/NEWS
index a57e71d2..c63adf69 100644
--- a/NEWS
+++ b/NEWS
@@ -13,6 +13,7 @@ NEWS
   * Remove link from errormsg about fastcgi apps (fixes #1942)
   * Strip trailing dot from "Host:" header
   * Remove the optional port info from SERVER_NAME (thx Mr_Bond)
+  * Fix mod_proxy RoundRobin (off by one problem if only one backend is up)
 
 - 1.4.22 - 2009-03-07
   * Fix wrong lua type for CACHE_MISS/CACHE_HIT in mod_cml (fixes #533)
diff --git a/src/mod_proxy.c b/src/mod_proxy.c
index 74a0bdb7..ba20ebab 100644
--- a/src/mod_proxy.c
+++ b/src/mod_proxy.c
@@ -1209,7 +1209,7 @@ static handler_t mod_proxy_check_extension(server *srv, connection *con, void *p
 
 		if (ndx >= (int) extension->value->used) {
 			/* didn't found a higher id, wrap to the start */
-			for (ndx = 0; ndx < (int) k; ndx++) {
+			for (ndx = 0; ndx <= (int) k; ndx++) {
 				host = (data_proxy *)extension->value->data[ndx];
 				if (!host->is_disabled) break;
 			}