diff --git a/saco/game/util.cpp b/saco/game/util.cpp
index 7ec60b6..8d71679 100644
--- a/saco/game/util.cpp
+++ b/saco/game/util.cpp
@@ -1189,6 +1189,14 @@ OBJECT_TYPE * GamePool_GetObject()
 
 //-----------------------------------------------------------
 
+void ReplaceBuildingModel(ENTITY_TYPE *pEntity, int iModelID)
+{
+	_asm push iModelID
+	_asm mov ecx, pEntity
+	_asm mov edx, 0x403EC0
+	_asm call edx
+}
+
 //-----------------------------------------------------------
 // Translate Weapon model ID into actual weapon ID.
 
diff --git a/saco/game/util.h b/saco/game/util.h
index 049d56a..20d37e7 100644
--- a/saco/game/util.h
+++ b/saco/game/util.h
@@ -39,3 +39,5 @@ BUILDING_TYPE * GamePool_GetBuilding();
 DUMMY_TYPE * GamePool_GetDummy();
 OBJECT_TYPE * GamePool_GetObject();
 
+void ReplaceBuildingModel(ENTITY_TYPE *pEntity, int iModelID);
+