diff --git a/apps/openmw/mwlua/types/npc.cpp b/apps/openmw/mwlua/types/npc.cpp
index 83e51c1b89..f2d78610eb 100644
--- a/apps/openmw/mwlua/types/npc.cpp
+++ b/apps/openmw/mwlua/types/npc.cpp
@@ -248,6 +248,9 @@ namespace MWLua
         };
 
         npc["setWerewolf"] = [context](const Object& obj, bool werewolf) -> void {
+            if (dynamic_cast<const LObject*>(&obj) && !dynamic_cast<const SelfObject*>(&obj))
+                throw std::runtime_error("Local scripts can modify only self");
+
             const MWWorld::Ptr& ptr = obj.ptr();
             if (!ptr.getClass().isNpc())
                 throw std::runtime_error("NPC or Player expected");
diff --git a/files/lua_api/openmw/types.lua b/files/lua_api/openmw/types.lua
index b5c57f289e..ff07f8dce3 100644
--- a/files/lua_api/openmw/types.lua
+++ b/files/lua_api/openmw/types.lua
@@ -1095,9 +1095,9 @@
 -- @param openmw.core#GameObject actor The NPC or player to transform
 -- @param #boolean werewolf True to transform into werewolf, false to transform back to normal
 -- @usage -- Transform player into werewolf in a global script
--- types.NPC.setWerewolf(player, true)
+-- player.type.setWerewolf(player, true)
 -- @usage -- Transform self back to normal in a local script
--- types.NPC.setWerewolf(self, false)
+-- self.type.setWerewolf(self, false)
 
 ---
 -- Returns the read-only @{#NpcRecord} of an NPC