diff --git a/main/esp32-lora.c b/main/esp32-lora.c
index 91cd387..d0545ad 100644
--- a/main/esp32-lora.c
+++ b/main/esp32-lora.c
@@ -419,6 +419,9 @@ uint8_t lora32_init(lora32_cfg_t *lora) {
   lora32_set_coding_rate(lora, lora->codingRate);
   ESP_LOGI(TAG, "lora32_set_codingRate: %d", lora->codingRate);
 
+  lora32_set_spreadfactor(lora, lora->spreadingFactor);
+  ESP_LOGI(TAG, "lora32_set_spreadingFactor: %d", lora->spreadingFactor);
+
   lora32_write_reg(lora, REG_FIFO_TX_BASE_ADDR, 0x00);
   lora32_write_reg(lora, REG_FIFO_RX_BASE_ADDR, 0x00);
   ESP_LOGI(TAG, "clear rx/tx fifos");