diff --git a/main/esp32-lora.c b/main/esp32-lora.c
index 9bc0d2b..de5a936 100644
--- a/main/esp32-lora.c
+++ b/main/esp32-lora.c
@@ -446,7 +446,7 @@ void lora32_read_data(lora32_cfg_t *lora, uint8_t *data) {
   }
 }
 
-static void IRAM_ATTR lora32_on_dio0(void *arg) {
+static void IRAM_ATTR lora32_on_dio(void *arg) {
   xQueueSend(dio_event_queue, arg, (TickType_t)0);
 }
 
@@ -551,14 +551,18 @@ uint8_t lora32_init(lora32_cfg_t *lora) {
   if(lora->receive != NULL) {
     ESP_LOGI(TAG, "Setting GPIO Interrupt");
 
+    // TODO check at least one DIOx pin is not NULL
+
     io_conf.intr_type = GPIO_PIN_INTR_POSEDGE;
-    io_conf.pin_bit_mask = (1ULL << lora->dio0);
+    io_conf.pin_bit_mask = ((1ULL << lora->dio0) | (1ULL << lora->dio1) | (1ULL << lora->dio2));
     io_conf.mode = GPIO_MODE_INPUT;
     io_conf.pull_down_en = 0;
     io_conf.pull_up_en = 0;
     gpio_config(&io_conf);
 
     gpio_set_intr_type(lora->dio0, GPIO_INTR_POSEDGE);
+    gpio_set_intr_type(lora->dio1, GPIO_INTR_POSEDGE);
+    gpio_set_intr_type(lora->dio2, GPIO_INTR_POSEDGE);
 
     // the DIO interrupt handling for every device is done from one task
     if(dio_task_handle == NULL) {
@@ -575,7 +579,14 @@ uint8_t lora32_init(lora32_cfg_t *lora) {
 
     // add ISR handler to the global service started (once) above
     ESP_LOGI(TAG, "Installing ISR handler for GPIO%d", lora->dio0);
-    gpio_isr_handler_add(lora->dio0, lora32_on_dio0, lora);
+    if(lora->dio0 > -1)
+      gpio_isr_handler_add(lora->dio0, lora32_on_dio, (void*)lora);
+
+    if(lora->dio1 > -1)
+      gpio_isr_handler_add(lora->dio1, lora32_on_dio, (void*)lora);
+
+    if(lora->dio2 > -1)
+      gpio_isr_handler_add(lora->dio2, lora32_on_dio, (void*)lora);
   }
 
   return 1;