diff --git a/apps/openmw-mp/Networking.cpp b/apps/openmw-mp/Networking.cpp
index 7245e791f..755db9827 100644
--- a/apps/openmw-mp/Networking.cpp
+++ b/apps/openmw-mp/Networking.cpp
@@ -236,7 +236,7 @@ void Networking::processPlayerPacket(RakNet::Packet *packet)
         DEBUG_PRINTF("ID_GAME_SPELLBOOK\n");
         myPacket->Read(player);
 
-        Script::Call<Script::CallbackIdentity("OnPlayerChangeSpellbook")>(player->getId());
+        Script::Call<Script::CallbackIdentity("OnPlayerChangeSpellbook")>(player->getId(), player->spellbook.action);
 
         break;
     }
diff --git a/apps/openmw-mp/Script/ScriptFunctions.hpp b/apps/openmw-mp/Script/ScriptFunctions.hpp
index 95d7e185f..c348df6f3 100644
--- a/apps/openmw-mp/Script/ScriptFunctions.hpp
+++ b/apps/openmw-mp/Script/ScriptFunctions.hpp
@@ -106,7 +106,7 @@ public:
             {"OnPlayerChangeLevel",      Function<void, unsigned short>()},
             {"OnPlayerChangeEquipment",  Function<void, unsigned short>()},
             {"OnPlayerChangeInventory",  Function<void, unsigned short>()},
-            {"OnPlayerChangeSpellbook",  Function<void, unsigned short>()},
+            {"OnPlayerChangeSpellbook",  Function<void, unsigned short, int>()},
             {"OnPlayerSendMessage",      Function<bool, unsigned short, const char*>()},
             {"OnPlayerEndCharGen",       Function<void, unsigned short>()},
             {"OnGUIAction",              Function<void, unsigned short, int, const char*>()}