diff --git a/tests/common.sh b/tests/common.sh
index 1387e5467b..c6fa2cdeb7 100755
--- a/tests/common.sh
+++ b/tests/common.sh
@@ -125,7 +125,7 @@ function build_package()
 
 function install_platformio()
 {
-    pip install -U https://github.com/platformio/platformio/archive/develop.zip
+    pip install --user -U https://github.com/platformio/platformio/archive/develop.zip
     platformio platform install https://github.com/platformio/platform-espressif8266.git#feature/stage
     sed -i 's/https:\/\/github\.com\/esp8266\/Arduino\.git/*/' ~/.platformio/platforms/espressif8266_stage/platform.json
     ln -s $TRAVIS_BUILD_DIR ~/.platformio/packages/framework-arduinoespressif8266