diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/microbot/util/reflection/Rs2Reflection.java b/runelite-client/src/main/java/net/runelite/client/plugins/microbot/util/reflection/Rs2Reflection.java
index 96cf07c1dfd..36b025f4169 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/microbot/util/reflection/Rs2Reflection.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/microbot/util/reflection/Rs2Reflection.java
@@ -32,7 +32,7 @@ public static void invokeMenu(int param0, int param1, int opcode, int identifier
     {
         if (menuAction == null)
         {
-            final String MENU_ACTION_DESCRIPTOR_VANILLA = "(IIIIIILjava/lang/String;Ljava/lang/String;IIB)V";
+            final String MENU_ACTION_DESCRIPTOR_VANILLA = "(IIIIIILjava/lang/String;Ljava/lang/String;III)V";
             final String MENU_ACTION_DESCRIPTOR_RUNELITE = "(IILnet/runelite/api/MenuAction;IILjava/lang/String;Ljava/lang/String;)V";
 
             final Class<?> clientClazz = Microbot.getClient().getClass();