diff --git a/plugins/codex/codex.plugin.zsh b/plugins/codex/codex.plugin.zsh
index b5d1ab617..654481be1 100644
--- a/plugins/codex/codex.plugin.zsh
+++ b/plugins/codex/codex.plugin.zsh
@@ -11,4 +11,4 @@ if [[ ! -f "$ZSH_CACHE_DIR/completions/_codex" ]]; then
   _comps[codex]=_codex
 fi
 
-codex completion zsh 2> /dev/null >| "$ZSH_CACHE_DIR/completions/_codex" &|
+codex completion zsh < /dev/null 2> /dev/null >| "$ZSH_CACHE_DIR/completions/_codex" &|