diff --git a/util/Broadcast.cs b/util/Broadcast.cs
index 7ac3dd6..e0cd916 100644
--- a/util/Broadcast.cs
+++ b/util/Broadcast.cs
@@ -33,8 +33,8 @@ public override string ToString()
     }
     public class BroadcastMain
     {
-        public static List<BroadcastItem> globals;
-        public static List<BroadcastItem> normals;
+        public static List<BroadcastItem> globals = new List<BroadcastItem>();
+        public static List<BroadcastItem> normals = new List<BroadcastItem>();
         public static void SendGlobalcast(BroadcastItem item)
         {
             globals.Add(item);