diff --git a/Telegram/SourceFiles/iv/markdown/iv_markdown_article_layout_blocks.cpp b/Telegram/SourceFiles/iv/markdown/iv_markdown_article_layout_blocks.cpp
index 9056c9b168..0735c5bfe9 100644
--- a/Telegram/SourceFiles/iv/markdown/iv_markdown_article_layout_blocks.cpp
+++ b/Telegram/SourceFiles/iv/markdown/iv_markdown_article_layout_blocks.cpp
@@ -797,15 +797,17 @@ LaidOutBlock LayoutDisplayMathBlock(
 		const auto &fallbackPadding = st.displayMath.fallbackPadding;
 		const auto fallbackPaddingWidth = fallbackPadding.left()
 			+ fallbackPadding.right();
-		const auto fallbackText = formula
-			? formula->measured.fallbackText
-			: prepared.formulaTex.trimmed();
+		auto fallbackText = TextWithEntities::Simple(u"Invalid formula"_q);
+		fallbackText.entities.push_back(EntityInText(
+			EntityType::Italic,
+			0,
+			fallbackText.text.size()));
 		block.textWidth = std::max(contentWidth - fallbackPaddingWidth, 1);
 		block.fallbackLeaf = Ui::Text::String(
 			TextMinResizeWidth(block.textWidth));
 		block.fallbackLeaf.setMarkedText(
 			st.displayMath.fallbackStyle,
-			TextWithEntities::Simple(fallbackText),
+			std::move(fallbackText),
 			kIvMarkedTextOptions);
 		block.textWidth = std::min(
 			block.textWidth,
diff --git a/Telegram/SourceFiles/iv/markdown/iv_markdown_article_paint.cpp b/Telegram/SourceFiles/iv/markdown/iv_markdown_article_paint.cpp
index 9a2ef63a82..e3b474a17e 100644
--- a/Telegram/SourceFiles/iv/markdown/iv_markdown_article_paint.cpp
+++ b/Telegram/SourceFiles/iv/markdown/iv_markdown_article_paint.cpp
@@ -1172,15 +1172,6 @@ void PaintDisplayMathBlock(
 						p.pen().color()));
 			}
 			if (!rendered.success) {
-				const auto radius = st.displayMath.fallbackRadius;
-				p.setPen(Qt::NoPen);
-				p.setBrush(paintSt.displayMath.fallbackBg->c);
-				if (radius > 0) {
-					auto hq = PainterHighQualityEnabler(p);
-					p.drawRoundedRect(block.formulaRect, radius, radius);
-				} else {
-					p.fillRect(block.formulaRect, paintSt.displayMath.fallbackBg->c);
-				}
 				p.setPen(paintSt.textColor->c);
 				PaintTextLeaf(
 					p,