diff --git a/zsh/.zshrc b/zsh/.zshrc
index c91c2f8..ac21810 100644
--- a/zsh/.zshrc
+++ b/zsh/.zshrc
@@ -29,10 +29,12 @@ wd () {
 fpath=($ZDOTDIR/modules/wd $fpath)
 
 # theme
-source $ZDOTDIR/p10k.zsh
-source $ZDOTDIR/modules/powerlevel10k/powerlevel10k.zsh-theme
-if [[ -r "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh" ]]; then
-  source "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh"
+if [ ! $_P9K_TTY = '/dev/tty.*' ]; then
+  source $ZDOTDIR/p10k.zsh
+  source $ZDOTDIR/modules/powerlevel10k/powerlevel10k.zsh-theme
+  if [[ -r "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh" ]]; then
+    source "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh"
+  fi
 fi
 
 # local settings