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-rw-r--r--lib/PublicInbox/Feed.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/PublicInbox/Feed.pm b/lib/PublicInbox/Feed.pm
index a04838a1..ae071895 100644
--- a/lib/PublicInbox/Feed.pm
+++ b/lib/PublicInbox/Feed.pm
@@ -102,7 +102,7 @@ sub recent_msgs {
         my $hex = '[a-f0-9]';
         my $addmsg = qr!^:000000 100644 \S+ (\S+) A\t${hex}{2}/${hex}{38}$!;
         my $delmsg = qr!^:100644 000000 (\S+) \S+ D\t(${hex}{2}/${hex}{38})$!;
-        my $refhex = qr/(?:HEAD|${hex}{4,40})(?:~\d+)?/;
+        my $refhex = qr/(?:HEAD|${hex}{4,40})(?:~[0-9]+)?/;
 
         # revision ranges may be specified
         my $range = 'HEAD';