diff --git a/executor/executor_test.go b/executor/executor_test.go
index dcbfec3fbd61b..454aa4fe32529 100644
--- a/executor/executor_test.go
+++ b/executor/executor_test.go
@@ -301,6 +301,15 @@ func (s *testSuite) TestAdmin(c *C) {
 	tk.MustExec("alter table t1 add index idx_i(i);")
 	tk.MustExec("alter table t1 add index idx_m(a,c,d,e,f,g,h,i,j);")
 	tk.MustExec("admin check table t1;")
+
+	tk.MustExec("drop table if exists t1;")
+	tk.MustExec("CREATE TABLE t1 (c1 int);")
+	tk.MustExec("INSERT INTO t1 SET c1 = 1;")
+	tk.MustExec("ALTER TABLE t1 ADD COLUMN cc1 CHAR(36)    NULL DEFAULT '';")
+	tk.MustExec("ALTER TABLE t1 ADD COLUMN cc2 VARCHAR(36) NULL DEFAULT ''")
+	tk.MustExec("ALTER TABLE t1 ADD INDEX idx1 (cc1);")
+	tk.MustExec("ALTER TABLE t1 ADD INDEX idx2 (cc2);")
+	tk.MustExec("admin check table t1;")
 }
 
 func (s *testSuite) fillData(tk *testkit.TestKit, table string) {
diff --git a/util/admin/admin.go b/util/admin/admin.go
index 3e767f73021d3..98ae13811badd 100644
--- a/util/admin/admin.go
+++ b/util/admin/admin.go
@@ -391,12 +391,13 @@ func compareDatumSlice(sc *stmtctx.StatementContext, val1s, val2s []types.Datum)
 		return false
 	}
 	for i, v := range val1s {
-		if v.Kind() == types.KindMysqlDecimal {
+		switch v.Kind() {
+		case types.KindMysqlDecimal, types.KindBytes:
 			res, err := v.CompareDatum(sc, &val2s[i])
 			if err != nil || res != 0 {
 				return false
 			}
-		} else {
+		default:
 			if !reflect.DeepEqual(v, val2s[i]) {
 				return false
 			}