diff --git a/src/js/test/funbox.js b/src/js/test/funbox.js
index 60addd553..cc249b8c9 100644
--- a/src/js/test/funbox.js
+++ b/src/js/test/funbox.js
@@ -100,10 +100,19 @@ export async function activate(funbox) {
         "Current language does not support this funbox mode",
         0
       );
-      activate("none", null);
+      setFunbox("none", null);
       return;
     }
   }
+  if (Config.mode === "zen" && (funbox == "layoutfluid")) {
+    Notifications.add(
+      `Zen mode does not support the ${funbox} funbox`,
+      0
+    );
+    setFunbox("none", null);
+    TestLogic.restart();
+    return;
+  }
   $("#funBoxTheme").attr("href", ``);
   $("#words").removeClass("nospace");
   // if (funbox === "none") {