diff --git a/core/src/com/galaxytrucker/galaxytruckerreloaded/Server/ClientHandler.java b/core/src/com/galaxytrucker/galaxytruckerreloaded/Server/ClientHandler.java
index f9913f0b72cfbf4b4e85040f9163a39d37fd65a3..63ce21a283505c21f9f606f619c48de05214e1a2 100644
--- a/core/src/com/galaxytrucker/galaxytruckerreloaded/Server/ClientHandler.java
+++ b/core/src/com/galaxytrucker/galaxytruckerreloaded/Server/ClientHandler.java
@@ -80,7 +80,7 @@ public class ClientHandler implements Runnable {
     /**
      * Planet name list
      */
-    private List<String> planetNames;
+    private List<String> planetNames = new ArrayList<>();
 
     /**
      * Used planet names list