diff --git a/client/src/css/level.css b/client/src/css/level.css
index 1fbd8db..5e4852c 100644
--- a/client/src/css/level.css
+++ b/client/src/css/level.css
@@ -369,6 +369,11 @@ td code  {
   text-align: center;
 }
 
+/* Fixes https://github.com/leanprover-community/lean4game/issues/202 */
+.katex-mathml {
+  display: none;
+}
+
 /* DEBUG */
 /* .proof .step {
   border: 2px solid rgb(0, 123, 255);