diff --git a/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/Kconfig b/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/Kconfig
index 842502894..dc8cf9255 100644
--- a/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/Kconfig
+++ b/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/Kconfig
@@ -58,7 +58,7 @@ config LPWAN_SX127X_RXFIFO_LEN
 
 config LPWAN_SX127X_RXFIFO_DATA_LEN
 	int "SX127X RX FIFO data length"
-	default 256
+	default 128
 
 endif #LPWAN_SX127X_RXSUPPORT
 
diff --git a/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/sx127x/sx127x.c b/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/sx127x/sx127x.c
index 1ce9f8044..57d0f8d0c 100644
--- a/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/sx127x/sx127x.c
+++ b/Ubiquitous/Nuttx/app_match_nuttx/nuttx/drivers/wireless/lpwan/sx127x/sx127x.c
@@ -1635,7 +1635,7 @@ static size_t sx127x_fskook_rxhandle(FAR struct sx127x_dev_s *dev)
 
   /* Read payload and store */
 
-  sx127x_readreg(dev, SX127X_CMN_FIFO, rxdata.data, datalen);
+  sx127x_readreg(dev, SX127X_CMN_FIFO, (uint8_t*)(&rxdata.data), datalen);
 
   /* Unlock SPI */
 
@@ -1715,7 +1715,7 @@ static size_t sx127x_lora_rxhandle(FAR struct sx127x_dev_s *dev)
 
   /* Read payload */
 
-  sx127x_readreg(dev, SX127X_CMN_FIFO, rxdata.data, datalen);
+  sx127x_readreg(dev, SX127X_CMN_FIFO, (uint8_t*)(&rxdata.data), datalen);
 
   /* Unlock SPI */