diff --git a/TShockAPI/Commands.cs b/TShockAPI/Commands.cs
index c42f4864..b005d54a 100644
--- a/TShockAPI/Commands.cs
+++ b/TShockAPI/Commands.cs
@@ -180,8 +180,16 @@ namespace TShockAPI
         public static void Invade(CommandArgs args)
         {
             int ply = args.PlayerID;
-            Tools.Broadcast(Main.player[ply].name + " started an invasion.");
-            TShock.StartInvasion();
+            if (Main.invasionSize <= 0)
+            {
+                Tools.Broadcast(Main.player[ply].name + " has started an invasion.");
+                TShock.StartInvasion();
+            }
+            else
+            {
+                Tools.Broadcast(Main.player[ply].name + " has ended an invasion.");
+                Main.invasionSize = 0;
+            }
         }
 
         public static void Password(CommandArgs args)