diff --git a/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/slaves/blastresistance/BlastResistanceCommand.java b/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/slaves/blastresistance/BlastResistanceCommand.java
index f296f1eb..7c9430a7 100644
--- a/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/slaves/blastresistance/BlastResistanceCommand.java
+++ b/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/slaves/blastresistance/BlastResistanceCommand.java
@@ -43,7 +43,7 @@ public class BlastResistanceCommand extends SWCommand {
     }
 
     @Register(description = "BLASTRESISTANCE_HELP")
-    public void command(Player player) {
+    public void command(@Validator Player player) {
         LocalSession localSession = WorldEdit.getInstance().getSessionManager().get(BukkitAdapter.adapt(player));
         Clipboard clipboard;
         try {