diff --git a/README.md b/README.md
index a371bca..0309ebe 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # Killergram
 
-An Android Xposed module to remove sponsored messages of Telegram
+An Android Xposed module to remove sponsored messages of Telegram.
+
+Also allows you to copy or save messages when "Restrict saving content" is enabled. Forwarding messages is still not working due to server limitation.
 
 ### Support clients
 
diff --git a/app/src/main/java/com/shatyuka/killergram/MainHook.java b/app/src/main/java/com/shatyuka/killergram/MainHook.java
index c0fdbb1..37f40c5 100644
--- a/app/src/main/java/com/shatyuka/killergram/MainHook.java
+++ b/app/src/main/java/com/shatyuka/killergram/MainHook.java
@@ -28,9 +28,15 @@ public class MainHook implements IXposedHookLoadPackage {
     public void handleLoadPackage(final XC_LoadPackage.LoadPackageParam lpparam) {
         if (hookPackages.contains(lpparam.packageName)) {
             try {
-                Class<?> messagesControllerClass = XposedHelpers.findClass("org.telegram.messenger.MessagesController", lpparam.classLoader);
-                XposedBridge.hookAllMethods(messagesControllerClass, "getSponsoredMessages", XC_MethodReplacement.returnConstant(null));
-                XposedBridge.hookAllMethods(messagesControllerClass, "isChatNoForwards", XC_MethodReplacement.returnConstant(false));
+                Class<?> messagesControllerClass = XposedHelpers.findClassIfExists("org.telegram.messenger.MessagesController", lpparam.classLoader);
+                if (messagesControllerClass != null) {
+                    XposedBridge.hookAllMethods(messagesControllerClass, "getSponsoredMessages", XC_MethodReplacement.returnConstant(null));
+                    XposedBridge.hookAllMethods(messagesControllerClass, "isChatNoForwards", XC_MethodReplacement.returnConstant(false));
+                }
+                Class<?> chatUIActivityClass = XposedHelpers.findClassIfExists("org.telegram.ui.ChatActivity", lpparam.classLoader);
+                if (chatUIActivityClass != null) {
+                    XposedBridge.hookAllMethods(chatUIActivityClass, "addSponsoredMessages", XC_MethodReplacement.returnConstant(null));
+                }
             } catch (Throwable ignored) {
             }
         }