diff --git a/LEGO1/lego/legoomni/include/legoworld.h b/LEGO1/lego/legoomni/include/legoworld.h
index ef0e9c15..72fc69b6 100644
--- a/LEGO1/lego/legoomni/include/legoworld.h
+++ b/LEGO1/lego/legoomni/include/legoworld.h
@@ -66,7 +66,7 @@ class LegoWorld : public LegoEntity {
 	void FUN_10073430();
 	MxS32 GetCurrPathInfo(LegoPathBoundary** p_path, MxS32& p_value);
 	MxPresenter* FindPresenter(const char* p_presenter, const char* p_name);
-	MxCore* FUN_10021790(MxAtomId& p_atom, MxS32 p_entityId);
+	MxCore* FUN_10021790(const MxAtomId& p_atom, MxS32 p_entityId);
 
 	// SYNTHETIC: LEGO1 0x1001dee0
 	// LegoWorld::`scalar deleting destructor'