diff --git a/buyflowerbutton.go b/buyflowerbutton.go
index be9a236..0c1e95e 100644
--- a/buyflowerbutton.go
+++ b/buyflowerbutton.go
@@ -96,6 +96,7 @@ func (b *BuyFlowerButton) updateTexts(ctx ui.Context) error {
 	if err := b.priceTexture.Update(textUpdate(ctx.Renderer(), font, color, FmtMoney(b.Flower.BuyPrice))); err != nil {
 		return err
 	}
+	b.Disabled = !b.Flower.Unlocked
 	b.upToDate = true
 	return nil
 }