1 files changed, 3 insertions, 0 deletions
diff --git a/Test/ztst.zsh b/Test/ztst.zsh
index 77ff30e8d..bd76a0dc0 100755
--- a/Test/ztst.zsh
+++ b/Test/ztst.zsh
@@ -30,6 +30,9 @@ emulate -R zsh
 [[ -n $LC_MESSAGES ]] && LC_MESSAGES=C
 [[ -n $LANG ]] && LANG=C
 
+# Don't propagate variables that are set by default in the shell.
+typeset +x WORDCHARS
+
 # Set the module load path to correspond to this build of zsh.
 # This Modules directory should have been created by "make check".
 [[ -d Modules/zsh ]] && module_path=( $PWD/Modules )