diff --git a/ci/before_install_jython.sh b/ci/before_install_jython.sh
index a92031f..9bf3015 100755
--- a/ci/before_install_jython.sh
+++ b/ci/before_install_jython.sh
@@ -20,4 +20,6 @@ then
     #$VIRTUAL_ENV/jython/bin/easy_install install virtualenv==1.9.1
     sudo pip install virtualenv==1.9.1
 fi
+which virtualenv
+virtualenv --version
 virtualenv -p ~/jython/bin/jython ~/myvirtualenv