lib/PublicInbox/SearchIdx.pm | 2 +-

diff --git a/lib/PublicInbox/SearchIdx.pm b/lib/PublicInbox/SearchIdx.pm
index 585f28f5d882431d0556bd5e11e6c037c4321320..b886ce789b7943dfb5eb2c248bb62c6329e36acc 100644
--- a/lib/PublicInbox/SearchIdx.pm
+++ b/lib/PublicInbox/SearchIdx.pm
@@ -451,7 +451,7 @@
 sub _msgmap_init ($) {
 	my ($self) = @_;
 	die "BUG: _msgmap_init is only for v1\n" if $self->{ibx}->version != 1;
-	$self->{mm} //= eval {
+	$self->{mm} //= do {
 		require PublicInbox::Msgmap;
 		PublicInbox::Msgmap->new_file($self->{ibx}, 1);
 	};