diff --git a/src/main/java/gent/zeus/mc13dtl/gamestate/GameStateHandler.java b/src/main/java/gent/zeus/mc13dtl/gamestate/GameStateHandler.java
index 54fe22f..90c14cb 100644
--- a/src/main/java/gent/zeus/mc13dtl/gamestate/GameStateHandler.java
+++ b/src/main/java/gent/zeus/mc13dtl/gamestate/GameStateHandler.java
@@ -1,10 +1,16 @@
 package gent.zeus.mc13dtl.gamestate;
 
+import org.bukkit.Bukkit;
+import org.bukkit.NamespacedKey;
 import org.bukkit.World;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.world.WorldLoadEvent;
+import org.bukkit.persistence.PersistentDataType;
+
+import gent.zeus.mc13dtl.MC13DTL;
 
 public class GameStateHandler implements Listener {
   @EventHandler
@@ -20,4 +26,13 @@ public class GameStateHandler implements Listener {
     }
     GameStateUtil.loadWorld(world);
   }
+
+  @EventHandler
+  void onPlayerInteract(PlayerInteractEvent event) {
+    NamespacedKey key = new NamespacedKey(MC13DTL.instance, "game-state");
+    String gameState = Bukkit.getWorld("world").getPersistentDataContainer().get(key, PersistentDataType.STRING);
+    if (gameState.equals("lobby")) {
+      event.setCancelled(true);
+    }
+  }
 }