@@ -210,7 +210,7 @@ __git_zsh_main ()
 {
 	local curcontext="$curcontext" state state_descr line
 	typeset -A opt_args
-	local -a orig_words
+	local -a orig_words __git_C_args
 
 	orig_words=( ${words[@]} )
 

@@ -228,6 +228,7 @@ __git_zsh_main ()
 		'--namespace=[set the git namespace]:' \
 		'--no-replace-objects[do not use replacement refs to replace git objects]' \
 		'(- :)--help[prints the synopsis and a list of the most commonly used commands]: :->arg' \
+		'*-C[run as if git was started in the given path]: :_directories' \
 		'(-): :->command' \
 		'(-)*:: :->arg' && return
 

@@ -250,6 +251,10 @@ __git_zsh_main ()
 			__git_dir=${~opt_args[--git-dir]}
 		fi
 
+		for x in ${(s.:.)opt_args[-C]}; do
+			__git_C_args+=('-C' ${~x})
+		done
+
 		(( $+opt_args[--help] )) && command='help'
 
 		words=( ${orig_words[@]} )