diff --git a/sw/device/silicon_creator/lib/shutdown.c b/sw/device/silicon_creator/lib/shutdown.c
index 752e9934818a6f..c5a77ae4416bdd 100644
--- a/sw/device/silicon_creator/lib/shutdown.c
+++ b/sw/device/silicon_creator/lib/shutdown.c
@@ -325,7 +325,7 @@ enum {
   /**
    * UART TX FIFO size.
    */
-  kUartFifoSize = 32,
+  kUartFifoSize = 128,
 };
 
 /**