diff --git a/.zshrc b/.zshrc
index ef78b8d..62ae774 100644
--- a/.zshrc
+++ b/.zshrc
@@ -178,3 +178,6 @@ function cdtmp {
 alias zshreload="exec zsh"
 alias -g LATEST='*(om[1])'            # glob: most recently modified
 alias FUNCTION_PRELUDE="setopt LOCAL_OPTIONS PIPE_FAIL XTRACE ERR_RETURN"
+
+# machine-local overrides (not vcs tracked)
+[[ -f ~/.zshrc-extra ]] && source ~/.zshrc-extra || touch ~/.zshrc-extra