diff --git a/configs/spark/nsh/defconfig b/configs/spark/nsh/defconfig
index e3344d5dedb..9766579d5a6 100644
--- a/configs/spark/nsh/defconfig
+++ b/configs/spark/nsh/defconfig
@@ -814,7 +814,7 @@ CONFIG_CDCACM=y
 # CONFIG_CDCACM_CONSOLE is not set
 CONFIG_CDCACM_COMPOSITE=y
 CONFIG_CDCACM_IFNOBASE=0
-CONFIG_CDCACM_STRBASE=0
+CONFIG_CDCACM_STRBASE=4
 CONFIG_CDCACM_EP0MAXPACKET=64
 CONFIG_CDCACM_EPINTIN=1
 CONFIG_CDCACM_EPINTIN_FSSIZE=64
@@ -837,7 +837,7 @@ CONFIG_CDCACM_PRODUCTSTR="CDC/ACM Serial"
 CONFIG_USBMSC=y
 CONFIG_USBMSC_COMPOSITE=y
 CONFIG_USBMSC_IFNOBASE=2
-CONFIG_USBMSC_STRBASE=2
+CONFIG_USBMSC_STRBASE=4
 CONFIG_USBMSC_EP0MAXPACKET=64
 CONFIG_USBMSC_EPBULKOUT=2
 CONFIG_USBMSC_EPBULKIN=3