diff --git a/src/main/java/cz/cvut/fel/sit/omo/foodchain/node/INode.java b/src/main/java/cz/cvut/fel/sit/omo/foodchain/node/INode.java
index ccb673f..953ebb1 100644
--- a/src/main/java/cz/cvut/fel/sit/omo/foodchain/node/INode.java
+++ b/src/main/java/cz/cvut/fel/sit/omo/foodchain/node/INode.java
@@ -12,8 +12,6 @@ import java.util.LinkedList;
 import java.util.List;
 
 public interface INode {
-    List<IChannel> subscribedChannels = new LinkedList<>();
-
     void sendTransaction(Product product, INode INode);
 
     void receiveTransaction(Transaction transaction);
diff --git a/src/main/java/cz/cvut/fel/sit/omo/foodchain/node/NodeBase.java b/src/main/java/cz/cvut/fel/sit/omo/foodchain/node/NodeBase.java
index b2df5d5..f0e9cd5 100644
--- a/src/main/java/cz/cvut/fel/sit/omo/foodchain/node/NodeBase.java
+++ b/src/main/java/cz/cvut/fel/sit/omo/foodchain/node/NodeBase.java
@@ -9,10 +9,17 @@ import cz.cvut.fel.sit.omo.foodchain.product.ProductType;
 import cz.cvut.fel.sit.omo.foodchain.requirement.Requirement;
 import cz.cvut.fel.sit.omo.foodchain.signature.Signature;
 
+import java.util.LinkedList;
 import java.util.List;
 
 
 public class NodeBase implements INode {
+    List<IChannel> subscribedChannels;
+
+    public NodeBase(){
+        subscribedChannels = new LinkedList<>();
+    }
+
     @Override
     public void sendTransaction(Product product, INode node) {
         Transaction transaction = new ProductTransaction();