diff --git a/zshrc b/zshrc
index f71bfb9..af7192b 100644
--- a/zshrc
+++ b/zshrc
@@ -1,5 +1,5 @@
 # Fig pre block. Keep at the top of this file.
-[[ -f "$HOME/.fig/shell/zshrc.pre.zsh" ]] && . "$HOME/.fig/shell/zshrc.pre.zsh"
+[[ -f "$HOME/.fig/shell/zshrc.pre.zsh" ]] && builtin source "$HOME/.fig/shell/zshrc.pre.zsh"
 # Add an entry to PATH, iff it's not already there.
 addpath() {
     wanted_path=$1
@@ -35,4 +35,4 @@ if [ -f ${HOME}/.zsh.d/local/${HOSTNAME}.zsh ] ; then
 fi
 
 # Fig post block. Keep at the bottom of this file.
-[[ -f "$HOME/.fig/shell/zshrc.post.zsh" ]] && . "$HOME/.fig/shell/zshrc.post.zsh"
+[[ -f "$HOME/.fig/shell/zshrc.post.zsh" ]] && builtin source "$HOME/.fig/shell/zshrc.post.zsh"