diff --git a/.zshrc b/.zshrc
index 20c7f8e..8118cfc 100644
--- a/.zshrc
+++ b/.zshrc
@@ -211,7 +211,12 @@ export LESS_TERMCAP_ue=$'\E[0m'
 export LESS_TERMCAP_us=$'\E[01;36m'
 export LESS=-R
 autoload -Uz compinit colors zcalc
-compinit -C
+# only do full compinit once per day, use cached version usually
+if [[ -n ${ZDOTDIR}/.zcompdump(#qN.mh+24) ]]; then
+	compinit
+else
+	compinit -C
+fi
 colors
 # <<<
 # auto save and load working dir (allow `cd -` on start) >>>