diff --git a/variants/GIGA/defines.txt b/variants/GIGA/defines.txt
index 75e5cc434..0ad2557cf 100644
--- a/variants/GIGA/defines.txt
+++ b/variants/GIGA/defines.txt
@@ -53,7 +53,7 @@
 -DMETAL_MAX_DEVICE_REGIONS=2
 -DNO_ATOMIC_64_SUPPORT
 -DQSPI_NO_SAMPLE_SHIFT
--DRPMSG_BUFFER_SIZE=100
+-DRPMSG_BUFFER_SIZE=2048
 -DSTM32H747xx
 -DTARGET_CORDIO
 -DTARGET_CORTEX