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-rw-r--r--lib/PublicInbox/TestCommon.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/PublicInbox/TestCommon.pm b/lib/PublicInbox/TestCommon.pm
index 8bfa30f2..0d17e6e7 100644
--- a/lib/PublicInbox/TestCommon.pm
+++ b/lib/PublicInbox/TestCommon.pm
@@ -512,7 +512,7 @@ sub tail_f (@) {
         while (my ($io, $fl) = splice(@cfmap, 0, 2)) {
                 fcntl($io, F_SETFD, $fl);
         }
-        wait_for_tail($pid, scalar @_);
+        wait_for_tail($pid, scalar @f);
         require PublicInbox::AutoReap;
         PublicInbox::AutoReap->new($pid, \&wait_for_tail);
 }