diff --git a/src/field/pokemon.ts b/src/field/pokemon.ts
index e73d1cdf273..4904964ac1b 100644
--- a/src/field/pokemon.ts
+++ b/src/field/pokemon.ts
@@ -454,7 +454,7 @@ export abstract class Pokemon extends Phaser.GameObjects.Container {
   getNameToRender(useIllusion = true) {
     const illusion = this.summonData.illusion;
     const name = useIllusion ? (illusion?.name ?? this.name) : this.name;
-    const nickname: string | undefined = useIllusion ? illusion?.nickname : this.nickname;
+    const nickname: string | undefined = useIllusion ? (illusion?.nickname ?? this.nickname) : this.nickname;
     try {
       if (nickname) {
         return decodeURIComponent(escape(atob(nickname))); // TODO: Remove `atob` and `escape`... eventually...