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-rw-r--r--lib/PublicInbox/WwwStatic.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/PublicInbox/WwwStatic.pm b/lib/PublicInbox/WwwStatic.pm
index b3476ab8..eeb5e565 100644
--- a/lib/PublicInbox/WwwStatic.pm
+++ b/lib/PublicInbox/WwwStatic.pm
@@ -218,7 +218,7 @@ my %path_re_cache;
 sub path_info_raw ($) {
         my ($env) = @_;
         my $sn = $env->{SCRIPT_NAME};
-        my $re = $path_re_cache{$sn} ||= do {
+        my $re = $path_re_cache{$sn} //= do {
                 $sn = '/'.$sn unless index($sn, '/') == 0;
                 $sn =~ s!/\z!!;
                 qr!\A(?:https?://[^/]+)?\Q$sn\E(/[^\?\#]+)!;