lib/PublicInbox/WwwListing.pm | 2 +-

diff --git a/lib/PublicInbox/WwwListing.pm b/lib/PublicInbox/WwwListing.pm
index 33cb0ace075016638227cbcce55e659d033afe3f..42a0c0d801a60c652b476b61060a8e9a76043260 100644
--- a/lib/PublicInbox/WwwListing.pm
+++ b/lib/PublicInbox/WwwListing.pm
@@ -20,7 +20,7 @@ if (eval { require IO::Compress::Gzip }) {
 	for my $mod (qw(JSON::MaybeXS JSON JSON::PP)) {
 		eval "require $mod" or next;
 		# ->ascii encodes non-ASCII to "\uXXXX"
-		$json = $mod->new->ascii(1);
+		$json = $mod->new->ascii(1) and last;
 	}
 }