diff --git a/src/ui/battle-message-ui-handler.ts b/src/ui/battle-message-ui-handler.ts
index 1c7dfb27630..7a30e2787df 100644
--- a/src/ui/battle-message-ui-handler.ts
+++ b/src/ui/battle-message-ui-handler.ts
@@ -226,7 +226,7 @@ export default class BattleMessageUiHandler extends MessageUiHandler {
             highestIv = ivs[s];
           }
         });
-        if (shownStat) {
+        if (shownStat !== null && shownStat !== undefined) {
           shownStats.push(shownStat);
           statsPool.splice(statsPool.indexOf(shownStat), 1);
         }