diff --git a/LaunchServer/source/auth/handler/FileAuthHandler.java b/LaunchServer/source/auth/handler/FileAuthHandler.java
index a480bad..c29c161 100644
--- a/LaunchServer/source/auth/handler/FileAuthHandler.java
+++ b/LaunchServer/source/auth/handler/FileAuthHandler.java
@@ -206,7 +206,7 @@
 
         @LauncherAPI
         public Entry(HInput input) throws IOException {
-            username = VerifyHelper.verifyUsername(input.readASCII(16));
+            username = VerifyHelper.verifyUsername(input.readString(64));
             if (input.readBoolean()) {
                 accessToken = SecurityHelper.verifyToken(input.readASCII(-SecurityHelper.TOKEN_STRING_LENGTH));
                 if (input.readBoolean()) {
@@ -217,7 +217,7 @@
 
         @Override
         public void write(HOutput output) throws IOException {
-            output.writeASCII(username, 16);
+            output.writeString(username, 64);
             output.writeBoolean(accessToken != null);
             if (accessToken != null) {
                 output.writeASCII(accessToken, -SecurityHelper.TOKEN_STRING_LENGTH);
diff --git a/LaunchServer/source/response/auth/CheckServerResponse.java b/LaunchServer/source/response/auth/CheckServerResponse.java
index fb7a647..a71d99c 100644
--- a/LaunchServer/source/response/auth/CheckServerResponse.java
+++ b/LaunchServer/source/response/auth/CheckServerResponse.java
@@ -20,7 +20,7 @@
 
     @Override
     public void reply() throws IOException {
-        String username = VerifyHelper.verifyUsername(input.readASCII(16));
+        String username = VerifyHelper.verifyUsername(input.readString(64));
         String serverID = JoinServerRequest.verifyServerID(input.readASCII(41)); // With minus sign
         debug("Username: %s, Server ID: %s", username, serverID);
 
diff --git a/LaunchServer/source/response/auth/JoinServerResponse.java b/LaunchServer/source/response/auth/JoinServerResponse.java
index 7dd4200..5b39635 100644
--- a/LaunchServer/source/response/auth/JoinServerResponse.java
+++ b/LaunchServer/source/response/auth/JoinServerResponse.java
@@ -19,7 +19,7 @@
 
     @Override
     public void reply() throws IOException {
-        String username = VerifyHelper.verifyUsername(input.readASCII(16));
+        String username = VerifyHelper.verifyUsername(input.readString(64));
         String accessToken = SecurityHelper.verifyToken(input.readASCII(-SecurityHelper.TOKEN_STRING_LENGTH));
         String serverID = JoinServerRequest.verifyServerID(input.readASCII(41)); // With minus sign
 
diff --git a/LaunchServer/source/response/profile/BatchProfileByUsernameResponse.java b/LaunchServer/source/response/profile/BatchProfileByUsernameResponse.java
index 758fa98..6ad7c57 100644
--- a/LaunchServer/source/response/profile/BatchProfileByUsernameResponse.java
+++ b/LaunchServer/source/response/profile/BatchProfileByUsernameResponse.java
@@ -19,7 +19,7 @@
     public void reply() throws IOException {
         String[] usernames = new String[input.readLength(BatchProfileByUsernameRequest.MAX_BATCH_SIZE)];
         for (int i = 0; i < usernames.length; i++) {
-            usernames[i] = VerifyHelper.verifyUsername(input.readASCII(16));
+            usernames[i] = VerifyHelper.verifyUsername(input.readString(64));
         }
         debug("Usernames: " + Arrays.toString(usernames));
 
diff --git a/LaunchServer/source/response/profile/ProfileByUsernameResponse.java b/LaunchServer/source/response/profile/ProfileByUsernameResponse.java
index 04f5040..b20c685 100644
--- a/LaunchServer/source/response/profile/ProfileByUsernameResponse.java
+++ b/LaunchServer/source/response/profile/ProfileByUsernameResponse.java
@@ -16,7 +16,7 @@
 
     @Override
     public void reply() throws IOException {
-        String username = VerifyHelper.verifyUsername(input.readASCII(16));
+        String username = VerifyHelper.verifyUsername(input.readString(64));
         debug("Username: " + username);
 
         // Write response
diff --git a/Launcher/source/client/PlayerProfile.java b/Launcher/source/client/PlayerProfile.java
index eb07379..b6629f9 100644
--- a/Launcher/source/client/PlayerProfile.java
+++ b/Launcher/source/client/PlayerProfile.java
@@ -24,7 +24,7 @@
     @LauncherAPI
     public PlayerProfile(HInput input) throws IOException {
         uuid = input.readUUID();
-        username = VerifyHelper.verifyUsername(input.readASCII(16));
+        username = VerifyHelper.verifyUsername(input.readString(64));
         skin = input.readBoolean() ? new Texture(input) : null;
         cloak = input.readBoolean() ? new Texture(input) : null;
     }
@@ -40,7 +40,7 @@
     @Override
     public void write(HOutput output) throws IOException {
         output.writeUUID(uuid);
-        output.writeASCII(username, 16);
+        output.writeString(username, 64);
 
         // Write textures
         output.writeBoolean(skin != null);
diff --git a/Launcher/source/request/auth/CheckServerRequest.java b/Launcher/source/request/auth/CheckServerRequest.java
index 1a5e18e..c2e980f 100644
--- a/Launcher/source/request/auth/CheckServerRequest.java
+++ b/Launcher/source/request/auth/CheckServerRequest.java
@@ -34,7 +34,7 @@
 
     @Override
     protected PlayerProfile requestDo(HInput input, HOutput output) throws IOException {
-        output.writeASCII(username, 16);
+        output.writeString(username, 64);
         output.writeASCII(serverID, 41); // 1 char for minus sign
         output.flush();
 
diff --git a/Launcher/source/request/auth/JoinServerRequest.java b/Launcher/source/request/auth/JoinServerRequest.java
index e1c3551..ad59f31 100644
--- a/Launcher/source/request/auth/JoinServerRequest.java
+++ b/Launcher/source/request/auth/JoinServerRequest.java
@@ -3,7 +3,6 @@
 import java.io.IOException;
 import java.util.regex.Pattern;
 
-import launcher.Launcher;
 import launcher.Launcher.Config;
 import launcher.LauncherAPI;
 import launcher.helper.SecurityHelper;
@@ -40,7 +39,7 @@
 
     @Override
     protected Boolean requestDo(HInput input, HOutput output) throws IOException {
-        output.writeASCII(username, 16);
+        output.writeString(username, 64);
         output.writeASCII(accessToken, -SecurityHelper.TOKEN_STRING_LENGTH);
         output.writeASCII(serverID, 41); // 1 char for minus sign
         output.flush();
diff --git a/Launcher/source/request/uuid/BatchProfileByUsernameRequest.java b/Launcher/source/request/uuid/BatchProfileByUsernameRequest.java
index b8d7a05..6d06707 100644
--- a/Launcher/source/request/uuid/BatchProfileByUsernameRequest.java
+++ b/Launcher/source/request/uuid/BatchProfileByUsernameRequest.java
@@ -39,7 +39,7 @@
     protected PlayerProfile[] requestDo(HInput input, HOutput output) throws IOException {
         output.writeLength(usernames.length, MAX_BATCH_SIZE);
         for (String username : usernames) {
-            output.writeASCII(username, 16);
+            output.writeString(username, 64);
         }
         output.flush();
 
diff --git a/Launcher/source/request/uuid/ProfileByUsernameRequest.java b/Launcher/source/request/uuid/ProfileByUsernameRequest.java
index 176bf8c..c485e67 100644
--- a/Launcher/source/request/uuid/ProfileByUsernameRequest.java
+++ b/Launcher/source/request/uuid/ProfileByUsernameRequest.java
@@ -31,7 +31,7 @@
 
     @Override
     protected PlayerProfile requestDo(HInput input, HOutput output) throws IOException {
-        output.writeASCII(username, 16);
+        output.writeString(username, 64);
         output.flush();
 
         // Return profile