diff --git a/src/Splatoon/Splatoon3/Splatoon3FestivalTeam.php b/src/Splatoon/Splatoon3/Splatoon3FestivalTeam.php
index 219264b..7e78108 100644
--- a/src/Splatoon/Splatoon3/Splatoon3FestivalTeam.php
+++ b/src/Splatoon/Splatoon3/Splatoon3FestivalTeam.php
@@ -40,11 +40,11 @@ class Splatoon3FestivalTeam implements ISplatoonFestivalTeam {
     }
 
     public function hasResults(): bool {
-        return array_key_exists('result', $this->teamInfo);
+        return array_key_exists('result', $this->teamInfo) && is_array($this->teamInfo['result']);
     }
 
     public function isWinner(): bool {
-        return $this->teamInfo['result']['isWinner'];
+        return $this->hasResults() && $this->teamInfo['result']['isWinner'];
     }
 
     public function getResults(): array {