diff --git a/configs/lpc4330-xplorer/nsh/appconfig b/configs/lpc4330-xplorer/nsh/appconfig
index a96834cd305..97dace19faa 100644
--- a/configs/lpc4330-xplorer/nsh/appconfig
+++ b/configs/lpc4330-xplorer/nsh/appconfig
@@ -58,6 +58,12 @@ CONFIGURED_APPS += netutils/telnetd
 endif
 endif
 
+# FreeModBus library
+
+ifeq ($(CONFIG_MODBUS),y)
+CONFIGURED_APPS += modbus
+endif
+
 # Applications configured as an NX built-in commands
 
 ifeq ($(CONFIG_ADC),y)
@@ -80,6 +86,10 @@ ifeq ($(CONFIG_WATCHDOG),y)
 CONFIGURED_APPS += examples/watchdog
 endif
 
+ifeq ($(CONFIG_MODBUS),y)
+CONFIGURED_APPS += examples/modbus
+endif
+
 # Uncomment examples/ftpc to include the FTP client example
 # Uncomment examples/ftpd to include the FTP daemon example
 
diff --git a/configs/lpc4330-xplorer/nsh/defconfig b/configs/lpc4330-xplorer/nsh/defconfig
index 417ddf58363..179256e3de8 100644
--- a/configs/lpc4330-xplorer/nsh/defconfig
+++ b/configs/lpc4330-xplorer/nsh/defconfig
@@ -492,7 +492,7 @@ CONFIG_DISABLE_SIGNALS=n
 CONFIG_DISABLE_MQUEUE=n
 CONFIG_DISABLE_MOUNTPOINT=n
 CONFIG_DISABLE_ENVIRON=n
-CONFIG_DISABLE_POLL=y
+CONFIG_DISABLE_POLL=n
 
 #
 # Misc libc settings