diff --git a/getline.go b/getline.go
index 597ac99..dc53667 100644
--- a/getline.go
+++ b/getline.go
@@ -33,8 +33,9 @@ var _ tea.Model = (*Editor)(nil)
 func (m *Editor) Update(imsg tea.Msg) (tea.Model, tea.Cmd) {
 	switch msg := imsg.(type) {
 	case tea.WindowSizeMsg:
-		m.Model.SetSize(msg.Width, msg.Height)
-
+		if msg.Width != 0 || msg.Height != 0 {
+			m.Model.SetSize(msg.Width, msg.Height)
+		}
 	case editline.InputCompleteMsg:
 		return m, tea.Quit
 	}