diff --git a/contrib/workdir/git-new-workdir b/contrib/workdir/git-new-workdir
index 709b2a3ac0..3ff6bd166a 100755
--- a/contrib/workdir/git-new-workdir
+++ b/contrib/workdir/git-new-workdir
@@ -24,7 +24,7 @@ git_dir=$(cd "$orig_git" 2>/dev/null &&
   git rev-parse --git-dir 2>/dev/null) ||
   die "\"$orig_git\" is not a git repository!"
 
-if test "$git_dir" == ".git"
+if test "$git_dir" = ".git"
 then
 	git_dir="$orig_git/.git"
 fi