diff --git a/.bashrc.local b/.bashrc.local
index 45be3d6..069d4f6 100644
--- a/.bashrc.local
+++ b/.bashrc.local
@@ -12,5 +12,7 @@ if [ -d "${PYENV_ROOT}" ]; then
     eval "$(pyenv init -)"
 fi
 #
+export N_PREFIX="$HOME"
+#
 # Put rvm at last position.
 [[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"
diff --git a/.zshrc.local b/.zshrc.local
index 9ef0aa6..3ee195f 100644
--- a/.zshrc.local
+++ b/.zshrc.local
@@ -12,5 +12,7 @@ if [ -d "${PYENV_ROOT}" ]; then
     eval "$(pyenv init -)"
 fi
 #
+export N_PREFIX="$HOME"
+#
 # Put rvm at last position.
 [[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"