lib/PublicInbox/ExtSearchIdx.pm | 2 +-
 script/public-inbox-index       | 3 +--

diff --git a/lib/PublicInbox/ExtSearchIdx.pm b/lib/PublicInbox/ExtSearchIdx.pm
index 3f197973c9fcb612b3f3f4db25a0d2be50bd94e0..e7fdae48ed79ac4f9eecdd14caac8cf8ea98976d 100644
--- a/lib/PublicInbox/ExtSearchIdx.pm
+++ b/lib/PublicInbox/ExtSearchIdx.pm
@@ -54,7 +54,7 @@ 		lock_path => "$dir/ei.lock",
 	}, __PACKAGE__;
 	$self->{shards} = $self->count_shards || nproc_shards($opt->{creat});
 	my $oidx = PublicInbox::OverIdx->new("$self->{xpfx}/over.sqlite3");
-	$oidx->{-no_fsync} = 1 if $opt->{-no_fsync};
+	$self->{-no_fsync} = $oidx->{-no_fsync} = 1 if !$opt->{fsync};
 	$self->{oidx} = $oidx;
 	$self
 }
diff --git a/script/public-inbox-index b/script/public-inbox-index
index a17bf615a0e226266ee73f139e1d5e8d22bc99d6..c68f922447293bb0b43782e7795d57e9c7387ba0 100755
--- a/script/public-inbox-index
+++ b/script/public-inbox-index
@@ -85,7 +85,7 @@ 	} else {
 		die "extindex `$ei_name' not configured or found\n";
 	}
 	$eidx_seen{$topdir} //=
-		push(@eidx, PublicInbox::ExtSearchIdx->new($topdir));
+		push(@eidx, PublicInbox::ExtSearchIdx->new($topdir, $opt));
 }
 my $mods = {};
 my @eidx_unconfigured;
@@ -141,7 +141,6 @@ 	for my $eidx (@eidx) {
 		$eidx->attach_inbox($ibx);
 	}
 }
-$opt->{-no_fsync} = 1 if !$opt->{fsync};
 my $pr = $opt->{-progress};
 for my $eidx (@eidx) {
 	$pr->("indexing $eidx->{topdir} ...\n") if $pr;