diff --git a/boards/px4/fmu-v6u/nuttx-config/nsh/defconfig b/boards/px4/fmu-v6u/nuttx-config/nsh/defconfig
index 0c5ec40f82..9fb11bf7c0 100644
--- a/boards/px4/fmu-v6u/nuttx-config/nsh/defconfig
+++ b/boards/px4/fmu-v6u/nuttx-config/nsh/defconfig
@@ -98,6 +98,7 @@ CONFIG_MTD_BYTE_WRITE=y
 CONFIG_MTD_PARTITION=y
 CONFIG_MTD_PROGMEM=y
 CONFIG_MTD_RAMTRON=y
+CONFIG_NAME_MAX=40
 CONFIG_NFILE_DESCRIPTORS=12
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_ARCHROMFS=y