diff --git a/ui/text/text_block.h b/ui/text/text_block.h
index c55e59e..a974c42 100644
--- a/ui/text/text_block.h
+++ b/ui/text/text_block.h
@@ -185,6 +185,7 @@ public:
 	using Context = CustomEmojiPaintContext;
 	virtual void paint(QPainter &p, const Context &context) = 0;
 	virtual void unload() = 0;
+	[[nodiscard]] virtual bool ready() = 0;
 
 };