diff --git a/boards/ark/pi6x/nuttx-config/bootloader/defconfig b/boards/ark/pi6x/nuttx-config/bootloader/defconfig
index 745251793b..bba1ad3f39 100644
--- a/boards/ark/pi6x/nuttx-config/bootloader/defconfig
+++ b/boards/ark/pi6x/nuttx-config/bootloader/defconfig
@@ -32,7 +32,7 @@ CONFIG_BOARD_LOOPSPERMSEC=95150
 CONFIG_BOARD_RESET_ON_ASSERT=2
 CONFIG_CDCACM=y
 CONFIG_CDCACM_IFLOWCONTROL=y
-CONFIG_CDCACM_PRODUCTID=0x0039
+CONFIG_CDCACM_PRODUCTID=0x003A
 CONFIG_CDCACM_PRODUCTSTR="ARK BL Pi6X.x"
 CONFIG_CDCACM_RXBUFSIZE=600
 CONFIG_CDCACM_TXBUFSIZE=12000
diff --git a/boards/ark/pi6x/nuttx-config/nsh/defconfig b/boards/ark/pi6x/nuttx-config/nsh/defconfig
index 0e944e53c9..57ff449302 100644
--- a/boards/ark/pi6x/nuttx-config/nsh/defconfig
+++ b/boards/ark/pi6x/nuttx-config/nsh/defconfig
@@ -76,7 +76,7 @@ CONFIG_BOARD_RESET_ON_ASSERT=2
 CONFIG_BUILTIN=y
 CONFIG_CDCACM=y
 CONFIG_CDCACM_IFLOWCONTROL=y
-CONFIG_CDCACM_PRODUCTID=0x0039
+CONFIG_CDCACM_PRODUCTID=0x003A
 CONFIG_CDCACM_PRODUCTSTR="ARK Pi6X.x"
 CONFIG_CDCACM_RXBUFSIZE=600
 CONFIG_CDCACM_TXBUFSIZE=12000