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-rwxr-xr-xscript/public-inbox-convert3
1 files changed, 2 insertions, 1 deletions
diff --git a/script/public-inbox-convert b/script/public-inbox-convert
index d655dcc6..4ff198d1 100755
--- a/script/public-inbox-convert
+++ b/script/public-inbox-convert
@@ -77,7 +77,8 @@ if ($old) {
 die "Only conversion from v1 inboxes is supported\n" if $old->version >= 2;
 
 require PublicInbox::Admin;
-$old->{indexlevel} //= PublicInbox::Admin::detect_indexlevel($old);
+my $detected = PublicInbox::Admin::detect_indexlevel($old);
+$old->{indexlevel} //= $detected;
 my $env;
 if ($opt->{'index'}) {
         my $mods = {};