diff --git a/src/core/statistics/deltaTankStats.ts b/src/core/statistics/deltaTankStats.ts
index 7480a6971..08306533a 100644
--- a/src/core/statistics/deltaTankStats.ts
+++ b/src/core/statistics/deltaTankStats.ts
@@ -11,10 +11,13 @@ export function deltaTankStats(
 ) {
   const bTanks = Object.keys(b);
   const changedTanks = bTanks.filter((id) => {
-    return time === undefined
-      ? a[id as unknown as number]?.all.battles !==
-          b[id as unknown as number].all.battles
-      : b[id as unknown as number].last_battle_time > time;
+    return (
+      a[id as unknown as number]?.all.battles !==
+        b[id as unknown as number].all.battles &&
+      (time === undefined
+        ? true
+        : b[id as unknown as number].last_battle_time > time)
+    );
   });
   const diff = changedTanks.map((id) => {
     const aTank = a[id as unknown as number] ?? emptyIndividualTankStats;