diff --git a/src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/network/command/CommandHandler.java b/src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/network/command/CommandHandler.java
index 9c07c56..34228c7 100644
--- a/src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/network/command/CommandHandler.java
+++ b/src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/network/command/CommandHandler.java
@@ -2,6 +2,6 @@ package ch.unibas.dmi.dbis.cs108.casono.server.network.command;
 
 import ch.unibas.dmi.dbis.cs108.casono.server.network.parser.Request;
 
-public interface CommandHandler {
-    void execute(Request request);
+public interface CommandHandler<T extends Request> {
+    void execute(T request);
 }