diff --git a/webview-ui/src/components/common/MermaidBlock.tsx b/webview-ui/src/components/common/MermaidBlock.tsx
index 229b9577659..95c795fdc5b 100644
--- a/webview-ui/src/components/common/MermaidBlock.tsx
+++ b/webview-ui/src/components/common/MermaidBlock.tsx
@@ -46,6 +46,7 @@ mermaid.initialize({
 	startOnLoad: false,
 	securityLevel: "loose",
 	theme: "dark",
+	suppressErrorRendering: true,
 	themeVariables: {
 		...MERMAID_THEME,
 		fontSize: "16px",