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-rw-r--r--lib/PublicInbox/SearchIdx.pm4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index 06d1a9f5..662055c6 100644
--- a/lib/PublicInbox/SearchIdx.pm
+++ b/lib/PublicInbox/SearchIdx.pm
@@ -554,8 +554,8 @@ sub unindex_eml {
                 $tmp{$_}++ for @removed;
         }
         if (!$nr) {
-                $mids = join('> <', @$mids);
-                warn "W: <$mids> missing for removal from overview\n";
+                my $m = join('> <', @$mids);
+                warn "W: <$m> missing for removal from overview\n";
         }
         while (my ($num, $nr) = each %tmp) {
                 warn "BUG: $num appears >1 times ($nr) for $oid\n" if $nr != 1;