diff --git a/travis/build-pio.sh b/travis/build-pio.sh
index f482d40..28c804a 100644
--- a/travis/build-pio.sh
+++ b/travis/build-pio.sh
@@ -1,11 +1,18 @@
 #!/bin/bash
 
 echo -e "travis_fold:start:install_pio"
+
 pip install -U platformio
+if [ $? -ne 0 ]; then exit 1; fi
+
+python -m platformio lib --storage-dir $PWD
+if [ $? -ne 0 ]; then exit 1; fi
+
 echo -e "travis_fold:end:install_pio"
 
 echo -e "travis_fold:start:test_pio"
 for EXAMPLE in $PWD/examples/*/*.ino; do
-    platformio ci $EXAMPLE -l '.' -b esp12e
+    python -m platformio ci $EXAMPLE -l '.' -b esp12e
+	if [ $? -ne 0 ]; then exit 1; fi
 done
 echo -e "travis_fold:end:test_pio"