diff --git a/hwe/c_tournament.php b/hwe/c_tournament.php
index a91243b8..7eb695a5 100644
--- a/hwe/c_tournament.php
+++ b/hwe/c_tournament.php
@@ -161,7 +161,7 @@ if($btn == "자동개최설정") {
     }
     $map = [];
     for($i=0; $i < 8; $i++) {
-        if($occupied[$i] == 0) {
+        if(!isset($occupied[$i]) || $occupied[$i] == 0) {
             $map[] = $i;
         }
     }