diff --git a/cmd/calendar_demo/main.go b/cmd/calendar_demo/main.go
index fb22d8d9..99311d53 100644
--- a/cmd/calendar_demo/main.go
+++ b/cmd/calendar_demo/main.go
@@ -23,7 +23,7 @@ func main() {
 
 	// Defines which date you would like the calendar to start
 	startingDate := time.Now()
-	calendar := xwidget.NewCalendar(startingDate, xwidget.CalendarSingle, d.onChanged)
+	calendar := xwidget.NewCalendar(startingDate, d.onChanged)
 
 	selection := widget.NewRadioGroup([]string{"Single", "Multi", "Range"}, func(s string) {
 		calendar.ClearSelection()
diff --git a/widget/calendar.go b/widget/calendar.go
index 8fbe4591..c3ff3685 100644
--- a/widget/calendar.go
+++ b/widget/calendar.go
@@ -432,10 +432,10 @@ func (c *Calendar) CreateRenderer() fyne.WidgetRenderer {
 }
 
 // NewCalendar creates a calendar instance
-func NewCalendar(cT time.Time, selectionMode int, onChanged func([]time.Time)) *Calendar {
+func NewCalendar(cT time.Time, onChanged func([]time.Time)) *Calendar {
 	c := &Calendar{
 		currentTime:   cT,
-		SelectionMode: selectionMode,
+		SelectionMode: CalendarSingle,
 		OnChanged:     onChanged,
 	}
 
diff --git a/widget/calendar_test.go b/widget/calendar_test.go
index b3b932e3..146129c3 100644
--- a/widget/calendar_test.go
+++ b/widget/calendar_test.go
@@ -14,7 +14,7 @@ import (
 
 func TestNewCalendar(t *testing.T) {
 	now := time.Now()
-	c := NewCalendar(now, CalendarSingle, nil)
+	c := NewCalendar(now, nil)
 	assert.Equal(t, now.Day(), c.currentTime.Day())
 	assert.Equal(t, int(now.Month()), int(c.currentTime.Month()))
 	assert.Equal(t, now.Year(), c.currentTime.Year())
@@ -25,7 +25,7 @@ func TestNewCalendar(t *testing.T) {
 
 func TestNewCalendar_ButtonDate(t *testing.T) {
 	date := time.Now()
-	c := NewCalendar(date, CalendarSingle, nil)
+	c := NewCalendar(date, nil)
 	_ = test.WidgetRenderer(c) // and render
 
 	endNextMonth := date.AddDate(0, 1, 0).AddDate(0, 0, -(date.Day() - 1))
@@ -39,7 +39,7 @@ func TestNewCalendar_ButtonDate(t *testing.T) {
 
 func TestNewCalendar_Next(t *testing.T) {
 	date := time.Now()
-	c := NewCalendar(date, CalendarSingle, nil)
+	c := NewCalendar(date, nil)
 	_ = test.WidgetRenderer(c) // and render
 
 	assert.Equal(t, date.Format("January 2006"), c.monthLabel.Text)
@@ -51,7 +51,7 @@ func TestNewCalendar_Next(t *testing.T) {
 
 func TestNewCalendar_Previous(t *testing.T) {
 	date := time.Now()
-	c := NewCalendar(date, CalendarSingle, nil)
+	c := NewCalendar(date, nil)
 	_ = test.WidgetRenderer(c) // and render
 
 	assert.Equal(t, date.Format("January 2006"), c.monthLabel.Text)
@@ -86,7 +86,7 @@ func TestNewCalendar_Resize(t *testing.T) {
 
 func TestNewCalendar_Single(t *testing.T) {
 	date := time.Date(2023, time.June, 22, 13, 48, 45, 0, time.UTC)
-	c := NewCalendar(date, CalendarSingle, nil)
+	c := NewCalendar(date, nil)
 	_ = test.WidgetRenderer(c) // and render
 
 	btn := getDateButton(c.dates, 14)
@@ -108,7 +108,8 @@ func TestNewCalendar_Single(t *testing.T) {
 
 func TestNewCalendar_Multi(t *testing.T) {
 	date := time.Date(2023, time.June, 22, 13, 48, 45, 0, time.UTC)
-	c := NewCalendar(date, CalendarMulti, nil)
+	c := NewCalendar(date, nil)
+	c.SelectionMode = CalendarMulti
 	_ = test.WidgetRenderer(c) // and render
 
 	test.Tap(getDateButton(c.dates, 4))
@@ -150,7 +151,8 @@ func TestNewCalendar_Multi(t *testing.T) {
 
 func TestNewCalendar_Range(t *testing.T) {
 	date := time.Date(2023, time.June, 22, 13, 48, 45, 0, time.UTC)
-	c := NewCalendar(date, CalendarRange, nil)
+	c := NewCalendar(date, nil)
+	c.SelectionMode = CalendarRange
 	_ = test.WidgetRenderer(c) // and render
 
 	test.Tap(getDateButton(c.dates, 5))