diff --git a/src/bin/pg_resetxlog/pg_resetxlog.c b/src/bin/pg_resetxlog/pg_resetxlog.c
index 7e9864dd4d3cdd551c9860eee03feaf6d8072c49..3e337ee902ea12907845ef2b82a4afbba1c4d656 100644
--- a/src/bin/pg_resetxlog/pg_resetxlog.c
+++ b/src/bin/pg_resetxlog/pg_resetxlog.c
@@ -86,9 +86,13 @@ main(int argc, char *argv[])
 	Oid			set_oid = 0;
 	MultiXactId set_mxid = 0;
 	MultiXactOffset set_mxoff = (MultiXactOffset) -1;
-	uint32		minXlogTli = 0;
+	uint32		minXlogTli = 0,
+				minXlogId = 0,
+				minXlogSeg = 0;
 	XLogSegNo	minXlogSegNo = 0;
 	char	   *endptr;
+	char	   *endptr2;
+	char	   *endptr3;
 	char	   *DataDir;
 	int			fd;
 	char		path[MAXPGPATH];
@@ -200,13 +204,28 @@ main(int argc, char *argv[])
 				break;
 
 			case 'l':
-				if (strspn(optarg, "01234567890ABCDEFabcdef") != 24)
+				minXlogTli = strtoul(optarg, &endptr, 0);
+				if (endptr == optarg || *endptr != ',')
 				{
 					fprintf(stderr, _("%s: invalid argument for option -l\n"), progname);
 					fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
 					exit(1);
 				}
-				XLogFromFileName(optarg, &minXlogTli, &minXlogSegNo);
+				minXlogId = strtoul(endptr + 1, &endptr2, 0);
+				if (endptr2 == endptr + 1 || *endptr2 != ',')
+				{
+					fprintf(stderr, _("%s: invalid argument for option -l\n"), progname);
+					fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
+					exit(1);
+				}
+				minXlogSeg = strtoul(endptr2 + 1, &endptr3, 0);
+				if (endptr3 == endptr2 + 1 || *endptr3 != '\0')
+				{
+					fprintf(stderr, _("%s: invalid argument for option -l\n"), progname);
+					fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
+					exit(1);
+				}
+				minXlogSegNo = (uint64) minXlogId * XLogSegmentsPerXLogId + minXlogSeg;
 				break;
 
 			default: