diff --git a/textinput/textinput.go b/textinput/textinput.go
index d1abf124..66e45185 100644
--- a/textinput/textinput.go
+++ b/textinput/textinput.go
@@ -700,10 +700,12 @@ func (m Model) View() string {
 func (m Model) placeholderView() string {
 	var (
 		v     string
-		p     = []rune(m.Placeholder)
 		style = m.PlaceholderStyle.Inline(true).Render
 	)
 
+	p := make([]rune, m.Width+1)
+	copy(p, []rune(m.Placeholder))
+
 	m.Cursor.TextStyle = m.PlaceholderStyle
 	m.Cursor.SetChar(string(p[:1]))
 	v += m.Cursor.View()
diff --git a/textinput/textinput_test.go b/textinput/textinput_test.go
index 27a7640a..95ef0c61 100644
--- a/textinput/textinput_test.go
+++ b/textinput/textinput_test.go
@@ -30,3 +30,10 @@ func Test_CurrentSuggestion(t *testing.T) {
 		t.Fatalf("Error: expected first suggestion but was %s", suggestion)
 	}
 }
+
+func Test_SlicingOutsideCap(t *testing.T) {
+	textinput := New()
+	textinput.Placeholder = "作業ディレクトリを指定してください"
+	textinput.Width = 32
+	textinput.View()
+}