diff --git a/highlighters/main/main-highlighter.zsh b/highlighters/main/main-highlighter.zsh
index 7aede14..2032b81 100755
--- a/highlighters/main/main-highlighter.zsh
+++ b/highlighters/main/main-highlighter.zsh
@@ -61,6 +61,7 @@ _zsh_highlight_main_highlighter_predicate()
 # Main syntax highlighting function.
 _zsh_highlight_main_highlighter()
 {
+  emulate -L zsh 
   setopt localoptions extendedglob bareglobqual
   local start_pos=0 end_pos highlight_glob=true new_expression=true arg style
   typeset -a ZSH_HIGHLIGHT_TOKENS_COMMANDSEPARATOR