diff --git a/src/object/old_object.cpp b/src/object/old_object.cpp
index d85e4a4e..b61081d7 100644
--- a/src/object/old_object.cpp
+++ b/src/object/old_object.cpp
@@ -806,6 +806,7 @@ void COldObject::SetType(ObjectType type)
     }
     else
     {
+        m_implementedInterfaces[static_cast<int>(ObjectInterfaceType::Damageable)] = false;
         m_implementedInterfaces[static_cast<int>(ObjectInterfaceType::Destroyable)] = false;
         m_implementedInterfaces[static_cast<int>(ObjectInterfaceType::Fragile)] = false;
         m_implementedInterfaces[static_cast<int>(ObjectInterfaceType::Shielded)] = false;