diff --git a/avr/modules/uart_hw/uart.asm b/avr/modules/uart_hw/uart.asm
index 9141093..b170dfe 100644
--- a/avr/modules/uart_hw/uart.asm
+++ b/avr/modules/uart_hw/uart.asm
@@ -13,7 +13,7 @@
 
 
 .equ UART_RINGBUFFER_IN_SIZE  = 24
-.equ UART_RINGBUFFER_OUT_SIZE = 24
+.equ UART_RINGBUFFER_OUT_SIZE = 32
 
 
 .equ UART_FLAGS_TXEN_BIT         = 7