diff --git a/include/mqtt_client.h b/include/mqtt_client.h
index a347f08..8c6f7b4 100644
--- a/include/mqtt_client.h
+++ b/include/mqtt_client.h
@@ -82,6 +82,7 @@ typedef struct {
     int topic_len;                      /*!< Length of the topic for this event asociated with this event */
     int msg_id;                         /*!< MQTT messaged id of message */
     int session_present;                /*!< MQTT session_present flag for connection event */
+    esp_err_t last_err;                 /*!< MQTT last error captured in transports */
 } esp_mqtt_event_t;
 
 typedef esp_mqtt_event_t *esp_mqtt_event_handle_t;
diff --git a/include/mqtt_supported_features.h b/include/mqtt_supported_features.h
index 3e9fac0..44f97f4 100644
--- a/include/mqtt_supported_features.h
+++ b/include/mqtt_supported_features.h
@@ -36,6 +36,7 @@
 #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 0, 0)
 // Features supported in 4.0
 #define MQTT_SUPPORTED_FEATURE_WS_SUBPROTOCOL
+#define MQTT_SUPPORTED_FEATURE_TRANSPORT_ERR_REPORTING
 #endif
 #endif
 
diff --git a/mqtt_client.c b/mqtt_client.c
index 22490eb..6c599a5 100644
--- a/mqtt_client.c
+++ b/mqtt_client.c
@@ -993,6 +993,13 @@ static void esp_mqtt_task(void *pv)
                                       client->config->port,
                                       client->config->network_timeout_ms) < 0) {
                 ESP_LOGE(TAG, "Error transport connect");
+                client->event.event_id = MQTT_EVENT_ERROR;
+#ifdef MQTT_SUPPORTED_FEATURE_TRANSPORT_ERR_REPORTING
+                client->event.last_err = get_and_clear_last_error(client->transport);
+#else
+                client->event.last_err = ESP_FAIL; // In case reporting not supported, only report general error
+#endif
+                esp_mqtt_dispatch_event_with_msgid(client);
                 esp_mqtt_abort_connection(client);
                 break;
             }