diff --git a/hwe/j_general_set_permission.php b/hwe/j_general_set_permission.php
index 76744f36..4de7a5b1 100644
--- a/hwe/j_general_set_permission.php
+++ b/hwe/j_general_set_permission.php
@@ -32,7 +32,7 @@ $nationID = $me['nation'];
 if($isAmbassador){
     $targetType = 'ambassador';
     $targetLevel = 4;
-    if(count($genlist) > 2){
+    if($genlist && count($genlist) > 2){
         Json::die([
             'result'=>false,
             'reason'=>'외교권자는 최대 둘까지만 설정 가능합니다.'