diff --git a/src/lib/utils/marked/katex-extension.ts b/src/lib/utils/marked/katex-extension.ts
index 45374f2f34..f679a6b221 100644
--- a/src/lib/utils/marked/katex-extension.ts
+++ b/src/lib/utils/marked/katex-extension.ts
@@ -134,6 +134,9 @@ function inlineKatex(options) {
 		},
 		tokenizer(src, tokens) {
 			return katexTokenizer(src, tokens, false);
+		},
+		renderer(token) {
+			return `${token?.text ?? ''}`;
 		}
 	};
 }
@@ -147,6 +150,9 @@ function blockKatex(options) {
 		},
 		tokenizer(src, tokens) {
 			return katexTokenizer(src, tokens, true);
+		},
+		renderer(token) {
+			return `${token?.text ?? ''}`;
 		}
 	};
 }