--- /dev/null
+diff --git a/lib/mosquitto.c b/lib/mosquitto.c
+index bd9dbd3..7314248 100644
+--- a/lib/mosquitto.c
++++ b/lib/mosquitto.c
+@@ -594,7 +594,6 @@ int mosquitto_publish(struct mosquitto *mosq, int *mid, const char *topic, int p
+ pthread_mutex_lock(&mosq->out_message_mutex);
+ _mosquitto_message_queue(mosq, message, mosq_md_out);
+ if(mosq->max_inflight_messages == 0 || mosq->inflight_messages < mosq->max_inflight_messages){
+- mosq->inflight_messages++;
+ if(qos == 1){
+ message->state = mosq_ms_wait_for_puback;
+ }else if(qos == 2){