diff --git a/nuttx-configs/tap-v1/nsh/defconfig b/nuttx-configs/tap-v1/nsh/defconfig
index d1076b2aa4..63471b4727 100644
--- a/nuttx-configs/tap-v1/nsh/defconfig
+++ b/nuttx-configs/tap-v1/nsh/defconfig
@@ -590,8 +590,8 @@ CONFIG_CDCACM_EPBULKIN_HSSIZE=512
 CONFIG_CDCACM_NWRREQS=4
 CONFIG_CDCACM_NRDREQS=4
 CONFIG_CDCACM_BULKIN_REQLEN=96
-CONFIG_CDCACM_RXBUFSIZE=300
-CONFIG_CDCACM_TXBUFSIZE=1000
+CONFIG_CDCACM_RXBUFSIZE=600
+CONFIG_CDCACM_TXBUFSIZE=2000
 CONFIG_CDCACM_VENDORID=0x26ac
 CONFIG_CDCACM_PRODUCTID=0x0040
 CONFIG_CDCACM_VENDORSTR="The Autopilot"