diff --git a/modules/python/init.zsh b/modules/python/init.zsh
index da78ea79..662c905d 100644
--- a/modules/python/init.zsh
+++ b/modules/python/init.zsh
@@ -37,12 +37,12 @@ fi
 # Load virtualenvwrapper into the shell session.
 if (( $+commands[virtualenvwrapper.sh] )); then
   # Set the directory where virtual environments are stored.
-  export WORKON_HOME="$HOME/.virtualenvs"
+  [[ -n $WORKON_HOME ]] || export WORKON_HOME="$HOME/.virtualenvs"
 
   # Disable the virtualenv prompt.
   VIRTUAL_ENV_DISABLE_PROMPT=1
 
-  source "$commands[virtualenvwrapper.sh]"
+  pyenv virtualenvwrapper 2>/dev/null || source "$commands[virtualenvwrapper.sh]"
 fi
 
 #