diff --git a/drivers/lora_lbm/lr11xx/lr11xx_hal.c b/drivers/lora_lbm/lr11xx/lr11xx_hal.c
index 760ec5d..dd00bae 100644
--- a/drivers/lora_lbm/lr11xx/lr11xx_hal.c
+++ b/drivers/lora_lbm/lr11xx/lr11xx_hal.c
@@ -104,7 +104,7 @@ lr11xx_hal_status_t lr11xx_hal_write(const void *context,
 		}
 	};
 
-	const struct spi_buf_set tx = {.buffers = tx_buf, .count = ARRAY_SIZE(tx_buf)};
+	const struct spi_buf_set tx = {.buffers = tx_buf, .count = (data_length ? ARRAY_SIZE(tx_buf) : ((ARRAY_SIZE(tx_buf))-1))};
 
 	ret = spi_write_dt(&config->spi, &tx);
 	if (ret) {