diff --git a/.travis.yml b/.travis.yml
index 6ac4a0a..fcdc66e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -83,13 +83,14 @@
         directories:
           - "~/.platformio"
       env:
-        - PLATFORMIO_EXTRA_SCRIPTS=pre:~/build/nanosonde/knx/examples/knx-usb/custom_hwids.py
+        - PLATFORMIO_EXTRA_SCRIPTS=pre:/tmp/scripts/custom_hwids.py
       install:
         - pip install -U platformio
         - platformio update      
       script:
-        #- mkdir -p /tmp/scripts
-        #- cp examples/knx-usb/custom_hwids.py /tmp/scripts
+        # PRE scripts have to be copied manually as "platformio ci does not care about it"
+        - mkdir -p /tmp/scripts
+        - cp examples/knx-usb/custom_hwids.py /tmp/scripts
         - platformio settings set force_verbose yes
         - echo "-------";pwd;echo "--------";
         - platformio ci --lib="." --project-conf=examples/knx-usb/platformio-ci.ini examples/knx-usb/src/main.cpp
diff --git a/examples/knx-usb/platformio.ini b/examples/knx-usb/platformio.ini
index ed036ec..1ca791c 100644
--- a/examples/knx-usb/platformio.ini
+++ b/examples/knx-usb/platformio.ini
@@ -8,12 +8,16 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 [platformio]
+; We have to keep libdeps dir out the project directory otherwise,
+; library scanner seems to have issues so compilation fails
 libdeps_dir = /tmp/libdeps
 
 [env:adafruit_feather_m0]
 platform = atmelsam
 board = adafruit_feather_m0
 framework = arduino
+; We consider that the this projects is opened within its project directory
+; while working with VS Code.
 lib_extra_dirs = ../../../
 
 ; VID must be changed to some known KNX Manufacturer