diff --git a/lib/MySQL_Session.cpp b/lib/MySQL_Session.cpp
index 3b20f056e..c5a21b06c 100644
--- a/lib/MySQL_Session.cpp
+++ b/lib/MySQL_Session.cpp
@@ -1715,8 +1715,8 @@ void MySQL_Session::handler___status_CHANGING_USER_CLIENT___STATE_CLIENT_HANDSHA
 		// FIXME: this should become close connection
 		client_myds->setDSS_STATE_QUERY_SENT_NET();
 		char *_s=(char *)malloc(strlen(client_myds->myconn->userinfo->username)+100);
-		sprintf(_s,"Access denied for user '%s' (using password: %s)", client_myds->myconn->userinfo->username, (client_myds->myconn->userinfo->password ? "YES" : "NO"));
-		client_myds->myprot.generate_pkt_ERR(true,NULL,NULL,2,1045,(char *)"#28000", _s);
+		sprintf(_s,"ProxySQL Error: Access denied for user '%s' (using password: %s)", client_myds->myconn->userinfo->username, (client_myds->myconn->userinfo->password ? "YES" : "NO"));
+		client_myds->myprot.generate_pkt_ERR(true,NULL,NULL,2,1045,(char *)"28000", _s);
 		free(_s);
 	}
 }
@@ -1787,8 +1787,8 @@ void MySQL_Session::handler___status_CONNECTING_CLIENT___STATE_SERVER_HANDSHAKE(
 		// FIXME: this should become close connection
 		client_myds->setDSS_STATE_QUERY_SENT_NET();
 		char *_s=(char *)malloc(strlen(client_myds->myconn->userinfo->username)+100);
-		sprintf(_s,"Access denied for user '%s' (using password: %s)", client_myds->myconn->userinfo->username, (client_myds->myconn->userinfo->password ? "YES" : "NO"));
-		client_myds->myprot.generate_pkt_ERR(true,NULL,NULL,2,1045,(char *)"#28000", _s);
+		sprintf(_s,"ProxySQL Error: Access denied for user '%s' (using password: %s)", client_myds->myconn->userinfo->username, (client_myds->myconn->userinfo->password ? "YES" : "NO"));
+		client_myds->myprot.generate_pkt_ERR(true,NULL,NULL,2,1045,(char *)"28000", _s);
 		__sync_add_and_fetch(&MyHGM->status.client_connections_aborted,1);
 		free(_s);
 		client_myds->DSS=STATE_SLEEP;
@@ -2036,8 +2036,8 @@ void MySQL_Session::handler___status_WAITING_CLIENT_DATA___STATE_SLEEP___MYSQL_C
 		// FIXME: this should become close connection
 			client_myds->setDSS_STATE_QUERY_SENT_NET();
 			char *_s=(char *)malloc(strlen(client_myds->myconn->userinfo->username)+100);
-			sprintf(_s,"Access denied for user '%s' (using password: %s)", client_myds->myconn->userinfo->username, (client_myds->myconn->userinfo->password ? "YES" : "NO"));
-			client_myds->myprot.generate_pkt_ERR(true,NULL,NULL,2,1045,(char *)"#28000", _s);
+			sprintf(_s,"ProxySQL Error: Access denied for user '%s' (using password: %s)", client_myds->myconn->userinfo->username, (client_myds->myconn->userinfo->password ? "YES" : "NO"));
+			client_myds->myprot.generate_pkt_ERR(true,NULL,NULL,2,1045,(char *)"28000", _s);
 			free(_s);
 		}
 	} else {