diff --git a/frontend/src/ts/test/test-ui.ts b/frontend/src/ts/test/test-ui.ts
index ba18f458d..c7035b9ea 100644
--- a/frontend/src/ts/test/test-ui.ts
+++ b/frontend/src/ts/test/test-ui.ts
@@ -1186,7 +1186,7 @@ export function setRightToLeft(isEnabled: boolean): void {
 }
 
 export function setLigatures(isEnabled: boolean): void {
-  if (isEnabled) {
+  if (isEnabled || Config.mode === "custom" || Config.mode === "zen") {
     $("#words").addClass("withLigatures");
     $("#resultWordsHistory .words").addClass("withLigatures");
     $("#resultReplay .words").addClass("withLigatures");