diff --git a/core/src/main/java/com/github/games647/fastlogin/core/BalancedSSLFactory.java b/core/src/main/java/com/github/games647/fastlogin/core/BalancedSSLFactory.java
index 12d71543..4ce69953 100644
--- a/core/src/main/java/com/github/games647/fastlogin/core/BalancedSSLFactory.java
+++ b/core/src/main/java/com/github/games647/fastlogin/core/BalancedSSLFactory.java
@@ -1,27 +1,23 @@
 package com.github.games647.fastlogin.core;
 
-import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Iterables;
 
 import java.io.IOException;
 import java.net.InetAddress;
 import java.net.Socket;
-import java.util.List;
-import java.util.concurrent.atomic.AtomicInteger;
+import java.util.Iterator;
 
 import javax.net.ssl.SSLSocketFactory;
 
 public class BalancedSSLFactory extends SSLSocketFactory {
 
-    private final SSLSocketFactory oldFactory;
-
     //in order to be thread-safe
-    private final List<InetAddress> localAddresses;
-
-    private AtomicInteger id;
+    private final Iterator<InetAddress> iterator;
+    private final SSLSocketFactory oldFactory;
 
     public BalancedSSLFactory(SSLSocketFactory oldFactory, Iterable<InetAddress> localAddresses) {
         this.oldFactory = oldFactory;
-        this.localAddresses = ImmutableList.copyOf(localAddresses);
+        this.iterator = Iterables.cycle(localAddresses).iterator();
     }
 
     @Override
@@ -63,7 +59,8 @@ public class BalancedSSLFactory extends SSLSocketFactory {
     }
 
     private InetAddress getNextLocalAddress() {
-        int index = id.incrementAndGet() % localAddresses.size();
-        return localAddresses.get(index);
+        synchronized (iterator) {
+            return iterator.next();
+        }
     }
 }
diff --git a/core/src/main/java/com/github/games647/fastlogin/core/CommonUtil.java b/core/src/main/java/com/github/games647/fastlogin/core/CommonUtil.java
index c5ce82b8..77d2f7db 100644
--- a/core/src/main/java/com/github/games647/fastlogin/core/CommonUtil.java
+++ b/core/src/main/java/com/github/games647/fastlogin/core/CommonUtil.java
@@ -68,8 +68,7 @@ public class CommonUtil {
             Class<JDK14LoggerAdapter> adapterClass = JDK14LoggerAdapter.class;
             Constructor<JDK14LoggerAdapter> cons = adapterClass.getDeclaredConstructor(java.util.logging.Logger.class);
             cons.setAccessible(true);
-            JDK14LoggerAdapter logger = cons.newInstance(parent);
-            return logger;
+            return cons.newInstance(parent);
         } catch (ReflectiveOperationException reflectEx) {
             parent.log(Level.WARNING, "Cannot create slf4j logging adapter", reflectEx);
             parent.log(Level.WARNING, "Creating logger instance manually...");
diff --git a/core/src/main/java/com/github/games647/fastlogin/core/mojang/MojangApiConnector.java b/core/src/main/java/com/github/games647/fastlogin/core/mojang/MojangApiConnector.java
index fd518c07..e0f3279b 100644
--- a/core/src/main/java/com/github/games647/fastlogin/core/mojang/MojangApiConnector.java
+++ b/core/src/main/java/com/github/games647/fastlogin/core/mojang/MojangApiConnector.java
@@ -153,7 +153,7 @@ public class MojangApiConnector {
     }
 
     private SSLSocketFactory buildAddresses(Logger logger, Collection<String> localAddresses) {
-        if (!localAddresses.isEmpty()) {
+        if (localAddresses.isEmpty()) {
             return HttpsURLConnection.getDefaultSSLSocketFactory();
         }
 
diff --git a/core/src/main/java/com/github/games647/fastlogin/core/shared/JoinManagement.java b/core/src/main/java/com/github/games647/fastlogin/core/shared/JoinManagement.java
index b2120296..b2f854a5 100644
--- a/core/src/main/java/com/github/games647/fastlogin/core/shared/JoinManagement.java
+++ b/core/src/main/java/com/github/games647/fastlogin/core/shared/JoinManagement.java
@@ -65,7 +65,7 @@ public abstract class JoinManagement<P extends C, C, S extends LoginSource> {
     }
 
     private boolean checkPremiumName(S source, String username, PlayerProfile profile) throws Exception {
-        core.getPlugin().getLog().debug("GameProfile {} uses a premium username", username);
+        core.getPlugin().getLog().info("GameProfile {} uses a premium username", username);
         if (core.getConfig().get("autoRegister", false) && (authHook == null || !authHook.isRegistered(username))) {
             requestPremiumLogin(source, profile, username, false);
             return true;