diff --git a/BauSystem_Main/src/de/steamwar/bausystem/features/script/command/string/Substring.java b/BauSystem_Main/src/de/steamwar/bausystem/features/script/command/string/Substring.java
index 38db6c66..ca17c970 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/features/script/command/string/Substring.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/features/script/command/string/Substring.java
@@ -23,7 +23,10 @@ import de.steamwar.bausystem.BauSystem;
 import de.steamwar.bausystem.features.script.ScriptExecutor;
 import de.steamwar.bausystem.features.script.SpecialCommand;
 import de.steamwar.bausystem.features.script.variables.Value;
+import de.steamwar.bausystem.linkage.LinkageType;
+import de.steamwar.bausystem.linkage.Linked;
 
+@Linked(LinkageType.SCRIPT_COMMAND)
 public class Substring implements SpecialCommand {
 
     @Override