diff --git a/Mage.Client/src/main/java/mage/client/MageFrame.java b/Mage.Client/src/main/java/mage/client/MageFrame.java
index 6787ecb951..b4c8b1bd74 100644
--- a/Mage.Client/src/main/java/mage/client/MageFrame.java
+++ b/Mage.Client/src/main/java/mage/client/MageFrame.java
@@ -67,6 +67,7 @@ import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.SocketException;
+import java.nio.charset.Charset;
 import java.util.*;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
@@ -1268,6 +1269,7 @@ public class MageFrame extends javax.swing.JFrame implements MageClient {
         System.setProperty("java.util.Arrays.useLegacyMergeSort", "true");
         LOGGER.info("Starting MAGE client version " + VERSION);
         LOGGER.info("Logging level: " + LOGGER.getEffectiveLevel());
+        LOGGER.info("Default charset: " + Charset.defaultCharset());
 
         startTime = System.currentTimeMillis();
         Thread.setDefaultUncaughtExceptionHandler((t, e) -> LOGGER.fatal(null, e));
diff --git a/Mage.Server/src/main/java/mage/server/Main.java b/Mage.Server/src/main/java/mage/server/Main.java
index 805239efd8..a9b617cd7c 100644
--- a/Mage.Server/src/main/java/mage/server/Main.java
+++ b/Mage.Server/src/main/java/mage/server/Main.java
@@ -39,6 +39,7 @@ import java.io.File;
 import java.io.IOException;
 import java.net.InetAddress;
 import java.net.MalformedURLException;
+import java.nio.charset.Charset;
 import java.util.*;
 
 /**
@@ -68,6 +69,7 @@ public final class Main {
         System.setProperty("java.util.Arrays.useLegacyMergeSort", "true");
         logger.info("Starting MAGE server version " + version);
         logger.info("Logging level: " + logger.getEffectiveLevel());
+        logger.info("Default charset: " + Charset.defaultCharset());
 
         String adminPassword = "";
         for (String arg : args) {
diff --git a/Mage.Tests/src/test/java/org/mage/test/serverside/base/MageTestPlayerBase.java b/Mage.Tests/src/test/java/org/mage/test/serverside/base/MageTestPlayerBase.java
index fadd7761a6..4889220447 100644
--- a/Mage.Tests/src/test/java/org/mage/test/serverside/base/MageTestPlayerBase.java
+++ b/Mage.Tests/src/test/java/org/mage/test/serverside/base/MageTestPlayerBase.java
@@ -31,6 +31,7 @@ import org.mage.test.player.TestPlayer;
 
 import java.io.File;
 import java.io.FileNotFoundException;
+import java.nio.charset.Charset;
 import java.util.*;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -104,6 +105,8 @@ public abstract class MageTestPlayerBase {
         Logger.getRootLogger().setLevel(Level.DEBUG);
         logger.debug("Starting MAGE tests");
         logger.debug("Logging level: " + logger.getLevel());
+        logger.debug("Default charset: " + Charset.defaultCharset());
+
         deleteSavedGames();
         ConfigSettings config = ConfigSettings.instance;
         for (GamePlugin plugin : config.getGameTypes()) {