diff --git a/web/src/ui/timeline/content/math.ts b/web/src/ui/timeline/content/math.ts
index d41a8ee..7452e7b 100644
--- a/web/src/ui/timeline/content/math.ts
+++ b/web/src/ui/timeline/content/math.ts
@@ -58,6 +58,10 @@ class HicliMath extends HTMLElement {
 			})
 		} catch (err) {
 			console.error("Failed to render math", this.#latex, err)
+			const errorNode = document.createElement("span")
+			errorNode.innerText = `Failed to render math: ${err}`
+			errorNode.style.color = "var(--error-color)"
+			this.#root.appendChild(errorNode)
 		}
 	}
 }