diff --git a/Cassandane/Instance.pm b/Cassandane/Instance.pm
index 78e7100..edf6f5d 100644
--- a/Cassandane/Instance.pm
+++ b/Cassandane/Instance.pm
@@ -492,9 +492,7 @@ sub _find_binary
     my $base = $self->{cyrus_destdir} . $self->{cyrus_prefix};
 
     if ($name eq 'delve') {
-        my $lib = `ldd $base/libexec/imapd` || die "can't ldd imapd";
-        $lib =~ m{(/\S+)/lib/libxapian-([0-9.]+)\.so};
-        return "$1/bin/xapian-delve-$2";
+        return "/bin/xapian-delve";
     }
 
     foreach (qw( bin sbin libexec libexec/cyrus-imapd lib cyrus/bin ))