diff --git a/SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java b/SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java
index da927ad..0d09c7f 100644
--- a/SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java
+++ b/SpigotCore_Main/src/de/steamwar/command/SWCommandUtils.java
@@ -100,7 +100,7 @@ public class SWCommandUtils {
         }
     }
 
-    static Object[] generateArgumentArray(TypeMapper<?>[] parameters, String[] args, Class<?> varArgType, String[] subCommand) throws CommandParseException {
+    static Object[] generateArgumentArray(CommandSender commandSender, TypeMapper<?>[] parameters, String[] args, Class<?> varArgType, String[] subCommand) throws CommandParseException {
         Object[] arguments = new Object[parameters.length + 1];
         int index = 0;
         while (index < subCommand.length) {
@@ -115,7 +115,7 @@ public class SWCommandUtils {
             arguments[arguments.length - 1] = varArgument;
         } else {
             for (int i = 0; i < parameters.length - (varArgType != null ? 1 : 0); i++) {
-                arguments[i + 1] = parameters[i].map(Arrays.copyOf(args, index), args[index]);
+                arguments[i + 1] = parameters[i].map(commandSender, Arrays.copyOf(args, index), args[index]);
                 index++;
                 if (arguments[i + 1] == null) {
                     throw new CommandParseException();
@@ -128,7 +128,7 @@ public class SWCommandUtils {
                 arguments[arguments.length - 1] = varArgument;
 
                 for (int i = 0; i < length; i++) {
-                    Object value = parameters[parameters.length - 1].map(Arrays.copyOf(args, index), args[index]);
+                    Object value = parameters[parameters.length - 1].map(commandSender, Arrays.copyOf(args, index), args[index]);
                     if (value == null) {
                         throw new CommandParseException();
                     }
@@ -156,7 +156,7 @@ public class SWCommandUtils {
     public static <T> TypeMapper<T> createMapper(Function<String, T> mapper, BiFunction<CommandSender, String, List<String>> tabCompleter) {
         return new TypeMapper<T>() {
             @Override
-            public T map(String[] previous, String s) {
+            public T map(CommandSender commandSender, String[] previousArguments, String s) {
                 return mapper.apply(s);
             }
 
diff --git a/SpigotCore_Main/src/de/steamwar/command/SubCommand.java b/SpigotCore_Main/src/de/steamwar/command/SubCommand.java
index 343cbd0..b7a414b 100644
--- a/SpigotCore_Main/src/de/steamwar/command/SubCommand.java
+++ b/SpigotCore_Main/src/de/steamwar/command/SubCommand.java
@@ -88,7 +88,7 @@ class SubCommand {
             return false;
         }
         try {
-            Object[] objects = SWCommandUtils.generateArgumentArray(arguments, args, varArgType, subCommand);
+            Object[] objects = SWCommandUtils.generateArgumentArray(commandSender, arguments, args, varArgType, subCommand);
             objects[0] = commandSenderFunction.apply(commandSender);
             method.setAccessible(true);
             method.invoke(swCommand, objects);
@@ -116,7 +116,7 @@ class SubCommand {
             String s = argsList.remove(0);
             if (argsList.isEmpty()) return argument.tabCompletes(commandSender, Arrays.copyOf(args, args.length - 1), s);
             try {
-                if (argument.map(Arrays.copyOf(args, index), s) == null) {
+                if (argument.map(commandSender, Arrays.copyOf(args, index), s) == null) {
                     return null;
                 }
             } catch (Exception e) {
@@ -129,7 +129,7 @@ class SubCommand {
                 String s = argsList.remove(0);
                 if (argsList.isEmpty()) return arguments[arguments.length - 1].tabCompletes(commandSender, Arrays.copyOf(args, args.length - 1), s);
                 try {
-                    if (arguments[arguments.length - 1].map(Arrays.copyOf(args, index), s) == null) {
+                    if (arguments[arguments.length - 1].map(commandSender, Arrays.copyOf(args, index), s) == null) {
                         return null;
                     }
                 } catch (Exception e) {
diff --git a/SpigotCore_Main/src/de/steamwar/command/TypeMapper.java b/SpigotCore_Main/src/de/steamwar/command/TypeMapper.java
index 27b04f7..c0c160c 100644
--- a/SpigotCore_Main/src/de/steamwar/command/TypeMapper.java
+++ b/SpigotCore_Main/src/de/steamwar/command/TypeMapper.java
@@ -24,7 +24,15 @@ import org.bukkit.command.CommandSender;
 import java.util.List;
 
 public interface TypeMapper<T> {
-    T map(String[] previousArguments, String s);
+    default T map(CommandSender commandSender, String[] previousArguments, String s) {
+        return map(previousArguments, s);
+    }
+
+    // For backwards compatibility, can be removed later on
+    @Deprecated(since = "Use the other map Function without calling super!")
+    default T map(String[] previousArguments, String s) {
+        throw new SecurityException();
+    }
 
     List<String> tabCompletes(CommandSender commandSender, String[] previousArguments, String s);
 }