diff --git a/mote/v2/avr/makefile b/mote/v2/avr/makefile
index a5efa8b..5303215 100644
--- a/mote/v2/avr/makefile
+++ b/mote/v2/avr/makefile
@@ -138,7 +138,7 @@ CDEFS += -DHW_VERSION_MAJOR=$(HW_VERSION_MAJOR) -DHW_VERSION_MINOR=$(HW_VERSION_
 CDEFS += -DSW_VERSION_MAJOR=$(SW_VERSION_MAJOR) -DSW_VERSION_MINOR=$(SW_VERSION_MINOR)
 
 # uncomment and adapt these line if you want different UART library buffer size
-CDEFS += -DUART_RX_BUFFER_SIZE=64
+CDEFS += -DUART_RX_BUFFER_SIZE=256
 CDEFS += -DUART_TX_BUFFER_SIZE=64
 
 CDEFS += -DUART_DEFAULT_BAUD_RATE=115200