--- a/contrib/zsh_completion
+++ b/contrib/zsh_completion
@@ -134,7 +134,7 @@ typeset -A _hg_cmd_globals
 }
 
 _hg_status() {
-  status_files=(${(ps:\0:)"$(_hg_cmd status -0n$1 .)"})
+  status_files=(${(ps:\0:)"$(_hg_cmd status -0n$1 . 2>/dev/null)"})
 }
 
 _hg_unknown() {