diff --git a/appveyor.yml b/appveyor.yml
index 74ca6f7..a00ca24 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -38,11 +38,12 @@ install:
     - echo extension=php_curl.dll >> php.ini
     - echo curl.cainfo=c:\php\cacert.pem >> php.ini
     - cd c:\projects\asynctweetsbundle
+    - echo "OK"
     - IF NOT EXIST composer.phar (appveyor DownloadFile https://getcomposer.org/download/1.3.2/composer.phar)
-    - php -v
+    - echo "OK"
     - php composer.phar self-update -vvv
+    - echo "OK"
     - php composer.phar require "symfony/symfony:2.8.*" -vv --profile --no-progress --ansi
-    - SET COMPOSER_ROOT_VERSION=
 
 test_script:
     - cd c:\projects\asynctweetsbundle