diff --git a/src/object/task/taskbuild.cpp b/src/object/task/taskbuild.cpp
index 35014e45..c8806f9b 100644
--- a/src/object/task/taskbuild.cpp
+++ b/src/object/task/taskbuild.cpp
@@ -325,7 +325,8 @@ bool CTaskBuild::EventProcess(const Event &event)
             case OBJECT_MOBILEtb:
             case OBJECT_MOBILEwb:
             case OBJECT_MOBILEib:
-                mat = m_object->GetWorldMatrix(3);
+                mat = m_object->GetWorldMatrix(1);
+                pos.y += 1.5f;
                 break;
 
             default: