diff --git a/05-start.zsh b/05-start.zsh
index 908d42f..dbefc1a 100644
--- a/05-start.zsh
+++ b/05-start.zsh
@@ -7,6 +7,7 @@
 # (password prompts, [y/n] confirmations, etc.)
 # must go above this block; everything else may go below.
 
+autoload -Uz is-at-least
 ! is-at-least 5.8 && return
 command -v starship >/dev/null && return