diff --git a/libs/openengine/bullet/physic.cpp b/libs/openengine/bullet/physic.cpp
index 235300b438..8d9ac3c228 100644
--- a/libs/openengine/bullet/physic.cpp
+++ b/libs/openengine/bullet/physic.cpp
@@ -615,6 +615,7 @@ namespace Physic
                                                                            btCollisionObject *object)
     {
         DeepestNotMeContactTestResultCallback callback(filter, origin);
+        callback.m_collisionFilterMask = CollisionType_World | CollisionType_HeightMap | CollisionType_Actor;
         dynamicsWorld->contactTest(object, callback);
         return std::make_pair(callback.mObject, callback.mContactPoint);
     }