diff --git a/bootstrap/ubuntu.sh b/bootstrap/ubuntu.sh
index 1acde595a..18c503e3a 100755
--- a/bootstrap/ubuntu.sh
+++ b/bootstrap/ubuntu.sh
@@ -5,11 +5,26 @@
 #   - 14.04 (x64, Vagrant)
 #   - 14.10 (x64)
 
+# virtualenv binary can be found in different packages depending on
+# distro version (#346)
+distro=$(lsb_release -si)
+# 6.0.10 => 60, 14.04 => 1404
+version=$(lsb_release -sr | awk -F '.' '{print $1 $2}')
+if [ "$distro" = "Ubuntu" -a "$version" -ge 1410 ]
+then
+  virtualenv="virtualenv"
+elif [ "$distro" = "Debian" -a "$version" -ge 80 ]
+then
+  virtualenv="virtualenv"
+else
+  virtualenv="python-virtualenv"
+fi
+
 # dpkg-dev: dpkg-architecture binary necessary to compile M2Crypto, c.f.
 #           #276, https://github.com/martinpaljak/M2Crypto/issues/62,
 #           M2Crypto setup.py:add_multiarch_paths
 
 sudo apt-get update
 sudo apt-get install -y --no-install-recommends \
-     python python-setuptools python-virtualenv python-dev gcc swig \
+     python python-setuptools "$virtualenv" python-dev gcc swig \
      dialog libaugeas0 libssl-dev libffi-dev ca-certificates dpkg-dev