diff --git a/src/BTA Babric.json b/src/BTA Babric.json
index 3717864..20af1bc 100644
--- a/src/BTA Babric.json	
+++ b/src/BTA Babric.json	
@@ -332,7 +332,7 @@
 		}
 	],
 	"mainClass": "net.fabricmc.loader.impl.launch.knot.KnotClient",
-	"minecraftArguments": "${auth_player_name} ${auth_session} --gameDir ${game_directory} --assetsDir ${game_assets}",
+	"minecraftArguments": "${auth_player_name} ${auth_session} --gameDir ${game_directory} --assetsDir ${game_assets} --username ${auth_player_name}",
 	"minimumLauncherVersion": 7,
 	"releaseTime": "2011-07-07T22:00:00Z",
 	"time": "2024-07-08T13:50:33.192Z",
diff --git a/src/BTA Fabric.json b/src/BTA Fabric.json
index 6121145..2f9edcd 100644
--- a/src/BTA Fabric.json	
+++ b/src/BTA Fabric.json	
@@ -326,7 +326,7 @@
 		}
 	],
 	"mainClass": "net.fabricmc.loader.impl.launch.knot.KnotClient",
-	"minecraftArguments": "${auth_player_name} ${auth_session} --gameDir ${game_directory} --assetsDir ${game_assets}",
+	"minecraftArguments": "${auth_player_name} ${auth_session} --gameDir ${game_directory} --assetsDir ${game_assets} --username ${auth_player_name}",
 	"minimumLauncherVersion": 7,
 	"releaseTime": "2011-07-07T22:00:00Z",
 	"time": "2024-07-08T13:50:33.192Z",
diff --git a/src/BTA.json b/src/BTA.json
index 9b63aeb..b2bc928 100644
--- a/src/BTA.json
+++ b/src/BTA.json
@@ -275,7 +275,7 @@
 		}
 	],
 	"mainClass": "net.minecraft.client.Minecraft",
-	"minecraftArguments": "${auth_player_name} ${auth_session} --gameDir ${game_directory} --assetsDir ${game_assets}",
+	"minecraftArguments": "${auth_player_name} ${auth_session} --gameDir ${game_directory} --assetsDir ${game_assets} --username ${auth_player_name}",
 	"minimumLauncherVersion": 7,
 	"releaseTime": "2011-07-07T22:00:00+00:00",
 	"time": "2011-07-07T22:00:00+00:00",