diff --git a/nuttx-configs/px4fmu-v4pro/nsh/defconfig b/nuttx-configs/px4fmu-v4pro/nsh/defconfig
index 28848bb239..76b1b401be 100644
--- a/nuttx-configs/px4fmu-v4pro/nsh/defconfig
+++ b/nuttx-configs/px4fmu-v4pro/nsh/defconfig
@@ -907,7 +907,7 @@ CONFIG_RAMTRON_SETSPEED=y
 # CONFIG_EEPROM is not set
 CONFIG_PIPES=y
 CONFIG_DEV_PIPE_MAXSIZE=1024
-CONFIG_DEV_PIPE_SIZE=1024
+CONFIG_DEV_PIPE_SIZE=70
 CONFIG_DEV_FIFO_SIZE=0
 # CONFIG_PM is not set
 # CONFIG_POWER is not set