diff --git a/ts/deck-options/Warning.svelte b/ts/deck-options/Warning.svelte
index e80fdb09c..36b224ccc 100644
--- a/ts/deck-options/Warning.svelte
+++ b/ts/deck-options/Warning.svelte
@@ -5,6 +5,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 <script lang="ts">
     import { slide } from "svelte/transition";
     import Row from "./Row.svelte";
+    import { withoutUnicodeIsolation } from "../lib/i18n/";
 
     export let warning: string;
 </script>
@@ -12,7 +13,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 {#if warning}
     <Row>
         <div class="col-12 alert alert-warning mb-0" in:slide out:slide>
-            {warning}
+            {withoutUnicodeIsolation(warning)}
         </div>
     </Row>
 {/if}
diff --git a/ts/lib/i18n/utils.ts b/ts/lib/i18n/utils.ts
index 63288d640..45b9935ad 100644
--- a/ts/lib/i18n/utils.ts
+++ b/ts/lib/i18n/utils.ts
@@ -62,6 +62,10 @@ export function withCollapsedWhitespace(s: string): string {
     return s.replace(/\s+/g, " ");
 }
 
+export function withoutUnicodeIsolation(s: string): string {
+    return s.replace(/[\u2068-\u2069]+/g, "");
+}
+
 export async function setupI18n(args: { modules: ModuleName[] }): Promise<void> {
     const resp = await fetch("/_anki/i18nResources", {
         method: "POST",