diff --git a/avr/modules/com2w/defs.asm b/avr/modules/com2w/defs.asm
index 0021199..56b9a12 100644
--- a/avr/modules/com2w/defs.asm
+++ b/avr/modules/com2w/defs.asm
@@ -44,7 +44,7 @@
 
 .equ COM2W_BUFFER_SIZE = NET_BUFFERS_SIZE-1
 
-.equ COM2W_IO_RINGBUFFER_SIZE = 32
+.equ COM2W_IO_RINGBUFFER_SIZE = 128
 .equ COM2W_IO_FLAGS_BIT_OVR   = 7
 
 .equ COM2W_MODE_IDLE            = 0