diff --git a/src/bin/pgbench/t/001_pgbench_with_server.pl b/src/bin/pgbench/t/001_pgbench_with_server.pl
index 923203ea51..ef8e40240b 100644
--- a/src/bin/pgbench/t/001_pgbench_with_server.pl
+++ b/src/bin/pgbench/t/001_pgbench_with_server.pl
@@ -1194,7 +1194,7 @@ sub check_pgbench_logs
 			my $clen     = @contents;
 			ok( $min <= $clen && $clen <= $max,
 				"transaction count for $log ($clen)");
-			ok( grep($re, @contents) == $clen,
+			ok( grep(/$re/, @contents) == $clen,
 				"transaction format for $prefix");
 			close $fh or die "$@";
 		};
@@ -1213,7 +1213,7 @@ pgbench(
 	"--log-prefix=$bdir/001_pgbench_log_2");
 
 check_pgbench_logs($bdir, '001_pgbench_log_2', 1, 8, 92,
-	qr{^0 \d{1,2} \d+ \d \d+ \d+$});
+	qr{^{0,1} \d{1,2} \d+ \d \d+ \d+$});
 
 # check log file in some detail
 pgbench(