diff --git a/packages/yew/src/virtual_dom/vcomp.rs b/packages/yew/src/virtual_dom/vcomp.rs
index a038b5d3411..02f96beb414 100644
--- a/packages/yew/src/virtual_dom/vcomp.rs
+++ b/packages/yew/src/virtual_dom/vcomp.rs
@@ -27,6 +27,8 @@ pub struct VComp {
     pub(crate) type_id: TypeId,
     pub(crate) mountable: Box<dyn Mountable>,
     pub(crate) key: Option<Key>,
+    // for some reason, this reduces the bundle size by ~2-3 KBs
+    _marker: u32,
 }
 
 impl fmt::Debug for VComp {
@@ -45,6 +47,7 @@ impl Clone for VComp {
             type_id: self.type_id,
             mountable: self.mountable.copy(),
             key: self.key.clone(),
+            _marker: 0,
         }
     }
 }
@@ -214,6 +217,7 @@ impl VComp {
             type_id: TypeId::of::<COMP>(),
             mountable: Box::new(PropsWrapper::<COMP>::new(props)),
             key,
+            _marker: 0,
         }
     }
 }