diff --git a/lib/MySQL_Monitor.cpp b/lib/MySQL_Monitor.cpp
index 62092082a..1c2fe8520 100644
--- a/lib/MySQL_Monitor.cpp
+++ b/lib/MySQL_Monitor.cpp
@@ -820,7 +820,11 @@ __fast_exit_monitor_ping_thread:
 					GloMyMon->My_Conn_Pool->put_connection(mmsd->hostname,mmsd->port,mmsd->mysql);
 					//GloMyMon->My_Conn_Pool->conn_unregister(mmsd->mysql);
 				} else {
-					proxy_error("Error after %dms: mmsd %p , MYSQL %p , FD %d : %s\n", (mmsd->t2-mmsd->t1)/1000, mmsd, mmsd->mysql, mmsd->mysql->net.fd, mmsd->mysql_error_msg);
+#ifdef DEBUG
+					proxy_error("Error on: mmsd %p , MYSQL %p , FD %d : %s\n", mmsd, mmsd->mysql, mmsd->mysql->net.fd, mmsd->mysql_error_msg);
+#else
+					proxy_error("Error on server %s:%d : %s\n", mmsd->hostname, mmsd->port, mmsd->mysql_error_msg);
+#endif // DEBUG
 					GloMyMon->My_Conn_Pool->conn_unregister(mmsd);
 					mysql_close(mmsd->mysql); // set_wait_timeout failed
 				}