diff --git a/configs/u-blox-c027/nsh/defconfig b/configs/u-blox-c027/nsh/defconfig
index f4f456f9c1..de14f9609a 100644
--- a/configs/u-blox-c027/nsh/defconfig
+++ b/configs/u-blox-c027/nsh/defconfig
@@ -16,7 +16,7 @@ CONFIG_HOST_LINUX=y
 #
 # Build Configuration
 #
-CONFIG_APPS_DIR="../apps"
+# CONFIG_APPS_DIR="../apps"
 CONFIG_BUILD_FLAT=y
 # CONFIG_BUILD_2PASS is not set
 
@@ -1001,9 +1001,6 @@ CONFIG_EXAMPLES_PPPD=y
 # CONFIG_EXAMPLES_UDPBLASTER is not set
 # CONFIG_EXAMPLES_DISCOVER is not set
 # CONFIG_EXAMPLES_WEBSERVER is not set
-CONFIG_EXAMPLES_UBLOXMODEM=y
-CONFIG_EXAMPLES_UBLOXMODEM_TTY_DEVNODE="/dev/ttyS1"
-CONFIG_EXAMPLES_UBLOXMODEM_DEVNODE="/dev/ubxmdm"
 # CONFIG_EXAMPLES_USBSERIAL is not set
 # CONFIG_EXAMPLES_USBTERM is not set
 # CONFIG_EXAMPLES_WATCHDOG is not set
@@ -1230,6 +1227,9 @@ CONFIG_READLINE_ECHO=y
 # CONFIG_SYSTEM_SDCARD is not set
 # CONFIG_SYSTEM_SUDOKU is not set
 # CONFIG_SYSTEM_VI is not set
+CONFIG_SYSTEM_UBLOXMODEM=y
+CONFIG_SYSTEM_UBLOXMODEM_TTY_DEVNODE="/dev/ttyS1"
+CONFIG_SYSTEM_UBLOXMODEM_DEVNODE="/dev/ubxmdm"
 CONFIG_SYSTEM_ZMODEM=y
 CONFIG_SYSTEM_ZMODEM_DEVNAME="/dev/console"
 CONFIG_SYSTEM_ZMODEM_RCVBUFSIZE=512
diff --git a/configs/u-blox-c027/src/lpc17_ubxmdm.c b/configs/u-blox-c027/src/lpc17_ubxmdm.c
index e9cb8674bd..a6615e54aa 100644
--- a/configs/u-blox-c027/src/lpc17_ubxmdm.c
+++ b/configs/u-blox-c027/src/lpc17_ubxmdm.c
@@ -200,7 +200,7 @@ static int lpc17_poweron(FAR struct ubxmdm_lower* lower)
   lpc17_configgpio(priv->pins->usb_detect   | usb_detect_val);
 
   lpc17_configgpio(priv->pins->ldo_enable   | GPIO_VALUE_ONE);  /* LDO enabled */
-  usleep(1 * 1000);  /* Delay to obtain correct voltage on shifters
+  usleep(1 * 1000);  /* Delay to obtain correct voltage on shifters */
 
   lpc17_configgpio(priv->pins->shifter_en_n | GPIO_VALUE_ZERO); /* UART shifter enabled */
 /* lpc17_configgpio(priv->pins->power_on_n  | GPIO_VALUE_ONE);   * Stop current through switch */