diff --git a/examples/device/cdc_msc_freertos/.skip.MCU_MSP430x5xx b/examples/device/cdc_msc_freertos/.skip.MCU_MSP430x5xx
new file mode 100644
index 000000000..e69de29bb
diff --git a/examples/device/net_lwip_webserver/.skip.MCU_MSP430x5xx b/examples/device/net_lwip_webserver/.skip.MCU_MSP430x5xx
new file mode 100644
index 000000000..17600f062
--- /dev/null
+++ b/examples/device/net_lwip_webserver/.skip.MCU_MSP430x5xx
@@ -0,0 +1 @@
+too many warnings for 16-bit integer overflow
diff --git a/examples/device/net_lwip_webserver/Makefile b/examples/device/net_lwip_webserver/Makefile
index a153c30be..fa93cf87f 100644
--- a/examples/device/net_lwip_webserver/Makefile
+++ b/examples/device/net_lwip_webserver/Makefile
@@ -17,6 +17,8 @@ INC += \
 # Example source
 EXAMPLE_SOURCE += $(wildcard src/*.c)
 SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE))
+
+# lwip sources
 SRC_C += \
   lib/lwip/src/core/altcp.c \
   lib/lwip/src/core/altcp_alloc.c \