diff --git a/home/.bashrc b/home/.bashrc
index 091611c..ab4cd46 100644
--- a/home/.bashrc
+++ b/home/.bashrc
@@ -35,8 +35,9 @@ if [ -f /opt/perl5/etc/bashrc ]; then
 	source /opt/perl5/etc/bashrc
 fi
 
-# Virtualenv
+# Virtualenv settings. Prefer Python 3 for new environments.
 export WORKON_HOME=~/.virtualenvs
+command -v python3 >/dev/null 2>&1 && export VIRTUALENV_PYTHON=`command -v python3`
 if [ -f /usr/bin/virtualenvwrapper.sh ]; then
 	source /usr/bin/virtualenvwrapper.sh
 elif [ -f /usr/share/virtualenvwrapper/virtualenvwrapper.sh ]; then
diff --git a/home/.zshrc b/home/.zshrc
index 4fa5862..947493e 100644
--- a/home/.zshrc
+++ b/home/.zshrc
@@ -34,8 +34,9 @@ else export PATH="${USR_PATH}:${CORE_PATH}"
 fi
 export EDITOR="/usr/bin/vim"
 
-# Virtualenv
+# Virtualenv settings. Prefer Python3 for new environments.
 export WORKON_HOME=~/.virtualenvs
+command -v python3 >/dev/null 2>&1 && export VIRTUALENV_PYTHON=`command -v python3`
 
 # Go
 export GOPATH="$HOME/go/.ext:$HOME/go"