diff --git a/main/esp32-lora.c b/main/esp32-lora.c
index 96fb3c8..8726ed3 100644
--- a/main/esp32-lora.c
+++ b/main/esp32-lora.c
@@ -261,6 +261,8 @@ void lora32_set_coding_rate(lora32_cfg_t *lora, uint8_t d) {
 
   uint8_t cr = d  - 4;
 
+  ESP_LOGI(TAG, "lora32_set_coding_rate: %d", factor);
+
   lora32_write_reg(lora, REG_MODEM_CONFIG_1, (lora32_read_reg(lora, REG_MODEM_CONFIG_1) & 0xF1) | (cr << 1));
 }