diff --git a/pkg/backup/alter_backup_schedule.go b/pkg/backup/alter_backup_schedule.go
index 50e05e814f0a..6bcfcfe30667 100644
--- a/pkg/backup/alter_backup_schedule.go
+++ b/pkg/backup/alter_backup_schedule.go
@@ -213,30 +213,35 @@ func doAlterBackupSchedules(
 			return err
 		}
 
-		if err := emitAlteredSchedule(s.incJob, s.incStmt, resultsCh); err != nil {
+		if err := emitAlteredSchedule(ctx, p, s.incJob, s.incStmt, resultsCh); err != nil {
 			return err
 		}
 	}
 
 	// Emit the full backup schedule after the incremental.
 	// This matches behavior in CREATE SCHEDULE FOR BACKUP.
-	return emitAlteredSchedule(s.fullJob, s.fullStmt, resultsCh)
+	return emitAlteredSchedule(ctx, p, s.fullJob, s.fullStmt, resultsCh)
 }
 
 func emitAlteredSchedule(
-	job *jobs.ScheduledJob, stmt *tree.Backup, resultsCh chan<- tree.Datums,
+	ctx context.Context,
+	p sql.PlanHookState,
+	job *jobs.ScheduledJob,
+	stmt *tree.Backup,
+	resultsCh chan<- tree.Datums,
 ) error {
-	to := make([]string, len(stmt.To))
-	for i, dest := range stmt.To {
-		to[i] = tree.AsStringWithFlags(dest, tree.FmtBareStrings|tree.FmtShowFullURIs)
+	exprEval := p.ExprEvaluator("BACKUP")
+	to, err := exprEval.StringArray(ctx, tree.Exprs(stmt.To))
+	if err != nil {
+		return err
 	}
-	kmsURIs := make([]string, len(stmt.Options.EncryptionKMSURI))
-	for i, kmsURI := range stmt.Options.EncryptionKMSURI {
-		kmsURIs[i] = tree.AsStringWithFlags(kmsURI, tree.FmtBareStrings|tree.FmtShowFullURIs)
+	kmsURIs, err := exprEval.StringArray(ctx, tree.Exprs(stmt.Options.EncryptionKMSURI))
+	if err != nil {
+		return err
 	}
-	incDests := make([]string, len(stmt.Options.IncrementalStorage))
-	for i, incDest := range stmt.Options.IncrementalStorage {
-		incDests[i] = tree.AsStringWithFlags(incDest, tree.FmtBareStrings|tree.FmtShowFullURIs)
+	incDests, err := exprEval.StringArray(ctx, tree.Exprs(stmt.Options.IncrementalStorage))
+	if err != nil {
+		return err
 	}
 	if err := emitSchedule(job, stmt, to, kmsURIs, incDests, resultsCh); err != nil {
 		return err
diff --git a/pkg/backup/alter_backup_schedule_test.go b/pkg/backup/alter_backup_schedule_test.go
index 75a8a4981efb..a2f5bcaf95ee 100644
--- a/pkg/backup/alter_backup_schedule_test.go
+++ b/pkg/backup/alter_backup_schedule_test.go
@@ -257,7 +257,7 @@ func TestAlterBackupSchedulePausesIncrementalForNewCollection(t *testing.T) {
 	fullID, err := strconv.Atoi(rows[1][0])
 	require.NoError(t, err)
 
-	// Artificially resume inc schedule to test if it gets paused after the alter
+	// Artificially resume inc schedule to test if it gets paused after the alter.
 	th.sqlDB.Exec(t, `RESUME SCHEDULE $1`, incID)
 
 	alterCmd := fmt.Sprintf(`ALTER BACKUP SCHEDULE %d SET INTO 'nodelocal://1/backup/alter-schedule-2';`, fullID)
@@ -271,6 +271,42 @@ func TestAlterBackupSchedulePausesIncrementalForNewCollection(t *testing.T) {
 	require.Equal(t, "@daily", fullRecurrence)
 }
 
+func TestAlterBackupScheduleWithSQLSpecialCharacters(t *testing.T) {
+	defer leaktest.AfterTest(t)()
+	defer log.Scope(t).Close(t)
+
+	th, cleanup := newAlterSchedulesTestHelper(t, nil)
+	defer cleanup()
+
+	// Characters that require quoting as specified in mustQuoteMap in
+	// sql/lexbase/encode.go.
+	uri := "nodelocal://1/backup/alter ,s{hedu}e"
+
+	createCmd := fmt.Sprintf(
+		"CREATE SCHEDULE FOR BACKUP INTO '%s' WITH"+
+			" incremental_location = '%s' RECURRING '@hourly' FULL BACKUP '@daily';",
+		uri, uri,
+	)
+	rows := th.sqlDB.QueryStr(t, createCmd)
+	require.Len(t, rows, 2)
+	incID, err := strconv.Atoi(rows[0][0])
+	require.NoError(t, err)
+	fullID, err := strconv.Atoi(rows[1][0])
+	require.NoError(t, err)
+
+	alterCmd := fmt.Sprintf(
+		"ALTER BACKUP SCHEDULE %d SET INTO '%s', "+
+			"SET RECURRING '@daily', SET FULL BACKUP '@weekly';",
+		fullID, uri,
+	)
+	th.sqlDB.Exec(t, alterCmd)
+
+	_, incRecurrence := scheduleStatusAndRecurrence(t, th, incID)
+	_, fullRecurrence := scheduleStatusAndRecurrence(t, th, fullID)
+	require.Equal(t, "@daily", incRecurrence)
+	require.Equal(t, "@weekly", fullRecurrence)
+}
+
 func scheduleStatusAndRecurrence(
 	t *testing.T, th *alterSchedulesTestHelper, id int,
 ) (status string, recurrence string) {