diff --git a/src/object/old_object.cpp b/src/object/old_object.cpp
index 0550b80d..4804b907 100644
--- a/src/object/old_object.cpp
+++ b/src/object/old_object.cpp
@@ -356,12 +356,18 @@ bool COldObject::DamageObject(DamageType type, float force, CObject* killer)
     }
     else if ( Implements(ObjectInterfaceType::Fragile) )
     {
-        if ((m_type == OBJECT_BOMB        ||
-             m_type == OBJECT_RUINfactory ||
-             m_type == OBJECT_RUINdoor    ||
-             m_type == OBJECT_RUINsupport ||
-             m_type == OBJECT_RUINradar   ||
-             m_type == OBJECT_RUINconvert  ) && type != DamageType::Explosive ) return false; // Mines and ruins can't be destroyed by shooting
+        if ((m_type == OBJECT_BOMB         ||
+             m_type == OBJECT_RUINmobilew1 ||
+             m_type == OBJECT_RUINmobilew2 ||
+             m_type == OBJECT_RUINmobilet1 ||
+             m_type == OBJECT_RUINmobilet2 ||
+             m_type == OBJECT_RUINmobiler1 ||
+             m_type == OBJECT_RUINmobiler2 ||
+             m_type == OBJECT_RUINfactory  ||
+             m_type == OBJECT_RUINdoor     ||
+             m_type == OBJECT_RUINsupport  ||
+             m_type == OBJECT_RUINradar    ||
+             m_type == OBJECT_RUINconvert   ) && type != DamageType::Explosive ) return false; // Mines and ruins can't be destroyed by shooting
         if ( m_type == OBJECT_URANIUM ) return false; // UraniumOre is not destroyable (see #777)
 
         DestroyObject(DestructionType::Explosion, killer);
@@ -840,11 +846,17 @@ void COldObject::SetType(ObjectType type)
         m_implementedInterfaces[static_cast<int>(ObjectInterfaceType::Fragile)] = false;
         m_implementedInterfaces[static_cast<int>(ObjectInterfaceType::Shielded)] = false;
     }
-    else if (m_type == OBJECT_RUINfactory ||
-             m_type == OBJECT_RUINdoor    ||
-             m_type == OBJECT_RUINsupport ||
-             m_type == OBJECT_RUINradar   ||
-             m_type == OBJECT_RUINconvert  )
+    else if (m_type == OBJECT_RUINmobilew1 ||
+             m_type == OBJECT_RUINmobilew2 ||
+             m_type == OBJECT_RUINmobilet1 ||
+             m_type == OBJECT_RUINmobilet2 ||
+             m_type == OBJECT_RUINmobiler1 ||
+             m_type == OBJECT_RUINmobiler2 ||
+             m_type == OBJECT_RUINfactory  ||
+             m_type == OBJECT_RUINdoor     ||
+             m_type == OBJECT_RUINsupport  ||
+             m_type == OBJECT_RUINradar    ||
+             m_type == OBJECT_RUINconvert   )
     {
         m_implementedInterfaces[static_cast<int>(ObjectInterfaceType::Damageable)] = true;
         m_implementedInterfaces[static_cast<int>(ObjectInterfaceType::Destroyable)] = true;
diff --git a/src/physics/physics.cpp b/src/physics/physics.cpp
index afbb0db3..c481c20e 100644
--- a/src/physics/physics.cpp
+++ b/src/physics/physics.cpp
@@ -2720,7 +2720,7 @@ bool CPhysics::ExploOther(ObjectType iType,
         if (pObj->GetType() == OBJECT_STONE   ) { destructionForce = 25.0f; } // TitaniumOre
         if (pObj->GetType() == OBJECT_URANIUM ) { destructionForce = 25.0f; } // UraniumOre
         if (pObj->GetType() == OBJECT_MOBILEtg) { destructionForce = 10.0f; damageType = DamageType::Explosive; } // TargetBot (something running into it)
-        if (iType           == OBJECT_MOBILEtg) { destructionForce = 10.0f; damageType = DamageType::Explosive; } // TargetBot (it running into something)
+        if (iType           == OBJECT_MOBILEtg) { destructionForce =  0.0f; damageType = DamageType::Explosive; } // TargetBot (it running into something)
         if (pObj->GetType() == OBJECT_TNT     ) { destructionForce = 10.0f; damageType = DamageType::Explosive; } // TNT
         if (pObj->GetType() == OBJECT_BOMB    ) { destructionForce =  0.0f; damageType = DamageType::Explosive; } // Mine
 
@@ -2810,7 +2810,7 @@ int CPhysics::ExploHimself(ObjectType iType, ObjectType oType, float force)
     float destructionForce = -1.0f; // minimal force required to destroy an object using this explosive, default: not explosive
     if ( oType == OBJECT_TNT      ) destructionForce = 10.0f; // TNT
     if ( oType == OBJECT_MOBILEtg ) destructionForce = 10.0f; // TargetBot (something running into it)
-    if ( iType == OBJECT_MOBILEtg ) destructionForce = 10.0f; // TargetBot (it running into something)
+    if ( iType == OBJECT_MOBILEtg ) destructionForce =  0.0f; // TargetBot (it running into something)
     if ( oType == OBJECT_BOMB     ) destructionForce =  0.0f; // Mine
 
     if ( force > destructionForce && destructionForce >= 0.0f )