diff --git a/src/main/java/eu/siacs/conversations/utils/Resolver.java b/src/main/java/eu/siacs/conversations/utils/Resolver.java
index 075447be..fb1f0523 100644
--- a/src/main/java/eu/siacs/conversations/utils/Resolver.java
+++ b/src/main/java/eu/siacs/conversations/utils/Resolver.java
@@ -80,7 +80,7 @@ public class Resolver {
         }
         List<Result> list = new ArrayList<>();
         try {
-            ResolverResult<D> results = resolveWithFallback(srv.name,type, !authenticated);
+            ResolverResult<D> results = resolveWithFallback(DNSName.from(srv.name.toString()),type, !authenticated);
             for (D record : results.getAnswersOrEmptySet()) {
                 Result resolverResult = Result.fromRecord(srv, directTls);
                 resolverResult.authenticated = results.isAuthenticData() && authenticated;
diff --git a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
index a07fad23..c49eb82f 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
@@ -18,6 +18,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.math.BigInteger;
 import java.net.ConnectException;
+import java.net.IDN;
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.net.Socket;
@@ -369,7 +370,7 @@ public class XmppConnection implements Runnable {
 									+ ": using values from dns " + result.getHostname().toString()
 									+ "/" + result.getIp().getHostAddress() + ":" + result.getPort() + " tls: " + features.encryptionEnabled);
 						} else {
-							addr = new InetSocketAddress(result.getHostname().toString(), result.getPort());
+							addr = new InetSocketAddress(IDN.toASCII(result.getHostname().toString()), result.getPort());
 							Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
 									+ ": using values from dns "
 									+ result.getHostname().toString() + ":" + result.getPort() + " tls: " + features.encryptionEnabled);