diff --git a/lib/send_client_mosq.c b/lib/send_client_mosq.c
index aef68536..a930bc99 100644
--- a/lib/send_client_mosq.c
+++ b/lib/send_client_mosq.c
@@ -99,9 +99,6 @@ int _mosquitto_send_connect(struct mosquitto *mosq, uint16_t keepalive, bool cle
 		_mosquitto_write_string(packet, PROTOCOL_NAME_v31, strlen(PROTOCOL_NAME_v31));
 	}else if(version == MQTT_PROTOCOL_V311){
 		_mosquitto_write_string(packet, PROTOCOL_NAME_v311, strlen(PROTOCOL_NAME_v311));
-	}else{
-		_mosquitto_free(packet);
-		return MOSQ_ERR_INVAL;
 	}
 #if defined(WITH_BROKER) && defined(WITH_BRIDGE)
 	if(mosq->bridge && mosq->bridge->try_private && mosq->bridge->try_private_accepted){