diff --git a/core/src/main/java/io/bisq/core/network/NodeAddresses.java b/core/src/main/java/io/bisq/core/network/NodeAddresses.java
index a518750c06..3601aa69b6 100644
--- a/core/src/main/java/io/bisq/core/network/NodeAddresses.java
+++ b/core/src/main/java/io/bisq/core/network/NodeAddresses.java
@@ -26,7 +26,7 @@ class NodeAddresses extends ImmutableSetDecorator<NodeAddress> {
         Set<NodeAddress> copy = new HashSet<>(this);
         copy.removeIf(address -> {
             String hostName = address.getHostName();
-            return !hosts.contains(hostName);
+            return hosts.contains(hostName);
         });
         return new NodeAddresses(copy);
     }
diff --git a/core/src/test/java/io/bisq/core/network/NodeAddressesTest.java b/core/src/test/java/io/bisq/core/network/NodeAddressesTest.java
new file mode 100644
index 0000000000..ecfc236c7b
--- /dev/null
+++ b/core/src/test/java/io/bisq/core/network/NodeAddressesTest.java
@@ -0,0 +1,77 @@
+package io.bisq.core.network;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;
+import io.bisq.network.p2p.NodeAddress;
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.security.Security;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import static org.junit.Assert.assertEquals;
+
+public class NodeAddressesTest {
+    @Before
+    public void setUp() {
+        Security.addProvider(new BouncyCastleProvider());
+    }
+
+    @Test
+    public void testCollector() {
+        List<NodeAddress> addresses = Lists.newArrayList(
+                new NodeAddress("192.168.0.1:1111"),
+                new NodeAddress("192.168.0.1:1111"),
+                new NodeAddress("192.168.0.2:2222"));
+        Set<NodeAddress> expected = new HashSet<>(addresses);
+
+        NodeAddresses actual = addresses.stream()
+                .collect(NodeAddresses.collector());
+
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testExcludeByFullAddress() {
+        Set<NodeAddress> delegate = Sets.newHashSet(
+                new NodeAddress("192.168.0.1:1111"),
+                new NodeAddress("192.168.0.2:2222"));
+        NodeAddresses addresses = new NodeAddresses(delegate);
+        NodeAddresses actual = addresses.excludeByFullAddress("192.168.0.1:1111");
+
+        assertEquals(1, actual.size());
+    }
+
+    @Test
+    public void testExcludeByHost() {
+        Set<NodeAddress> delegate = Sets.newHashSet(
+                new NodeAddress("aaa:1111"),
+                new NodeAddress("aaa:2222"),
+                new NodeAddress("bbb:1111"),
+                new NodeAddress("bbb:2222"),
+                new NodeAddress("ccc:1111"),
+                new NodeAddress("ccc:2222"));
+        NodeAddresses addresses = new NodeAddresses(delegate);
+
+        Set<String> hosts = Sets.newHashSet("aaa", "bbb");
+        NodeAddresses actual = addresses.excludeByHost(hosts);
+
+        Set<NodeAddress> expected = Sets.newHashSet(
+                new NodeAddress("ccc:1111"),
+                new NodeAddress("ccc:2222"));
+
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void testFromString() {
+        Set<NodeAddress> expected = Sets.newHashSet(
+                new NodeAddress("192.168.0.1:1111"),
+                new NodeAddress("192.168.0.2:2222"));
+        NodeAddresses actual = NodeAddresses.fromString("192.168.0.1:1111, 192.168.0.2:2222");
+        assertEquals(expected, actual);
+    }
+}