diff --git a/Fabric/src/main/java/com/aizistral/nochatrestrictions/mixins/MixinYggdrasilUserApiService.java b/Fabric/src/main/java/com/aizistral/nochatrestrictions/mixins/MixinYggdrasilUserApiService.java
new file mode 100644
index 0000000..6c968b3
--- /dev/null
+++ b/Fabric/src/main/java/com/aizistral/nochatrestrictions/mixins/MixinYggdrasilUserApiService.java
@@ -0,0 +1,51 @@
+package com.aizistral.nochatrestrictions.mixins;
+
+import java.util.Map;
+import java.util.concurrent.Executor;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+import com.google.common.collect.ImmutableSet;
+import com.mojang.authlib.minecraft.TelemetrySession;
+import com.mojang.authlib.minecraft.UserApiService.UserFlag;
+import com.mojang.authlib.minecraft.UserApiService.UserProperties;
+import com.mojang.authlib.yggdrasil.YggdrasilUserApiService;
+
+/**
+ * Applies the chat/multiplayer restriction removal directly on the concrete
+ * service class instead of wrapping it once at {@code Minecraft.createUserApiService}.
+ *
+ * In-game account switchers (e.g. IAS) build a brand new {@link YggdrasilUserApiService}
+ * and swap it onto the Minecraft instance without going through the original wrapping
+ * path, which is why restrictions used to come back after switching accounts. By hooking
+ * the service class itself, every instance the game ever uses returns permissive
+ * properties, regardless of who created it or when.
+ */
+@Mixin(value = YggdrasilUserApiService.class, remap = false)
+public class MixinYggdrasilUserApiService {
+    private static final UserProperties FORCED_PROPERTIES;
+
+    static {
+	ImmutableSet.Builder<UserFlag> flags = ImmutableSet.builder();
+
+	flags.add(UserFlag.CHAT_ALLOWED); // always let the player access chat
+	flags.add(UserFlag.SERVERS_ALLOWED); // always let the player open multiplayer menu
+	flags.add(UserFlag.REALMS_ALLOWED); // always let the player open Realms menu
+
+	FORCED_PROPERTIES = new UserProperties(flags.build(), Map.of());
+    }
+
+    @Inject(method = "fetchProperties", at = @At("RETURN"), cancellable = true)
+    private void onFetchProperties(CallbackInfoReturnable<UserProperties> info) {
+	info.setReturnValue(FORCED_PROPERTIES);
+    }
+
+    @Inject(method = "newTelemetrySession", at = @At("HEAD"), cancellable = true)
+    private void onNewTelemetrySession(Executor executor, CallbackInfoReturnable<TelemetrySession> info) {
+	info.setReturnValue(TelemetrySession.DISABLED);
+    }
+
+}