diff --git a/src/rcore/point.rs b/src/rcore/point.rs
index f6d37c2..6349a6d 100644
--- a/src/rcore/point.rs
+++ b/src/rcore/point.rs
@@ -26,7 +26,10 @@ impl<'a, Ctx: Context<'a>, A: MentionableBase<'a, Ctx>> Clone for Point<'a, Ctx,
     }
 }
 
-impl<'a, Ctx: Context<'a>, A: Mentionable<'a, Ctx>> Point<'a, Ctx, A> {
+impl<'a, Ctx: Context<'a>, A: MentionableBase<'a, Ctx>> Point<'a, Ctx, A>
+where
+    A::Fctr: FactoryParse<'a, Ctx>,
+{
     /// See [`Origin::resolve`].
     pub fn resolve(&self) -> Resolution<'a, Ctx, A> {
         self.origin.clone().resolve()
diff --git a/src/rstd/collections/stack.rs b/src/rstd/collections/stack.rs
index 2c6bb8c..eadb5f7 100644
--- a/src/rstd/collections/stack.rs
+++ b/src/rstd/collections/stack.rs
@@ -210,6 +210,7 @@ impl<'a, Ctx: Context<'a>, A: StackCompatible<'a, Ctx> + Mentionable<'a, Ctx> +
     ExtStackClone<'a, Ctx, A> for Stack<'a, Ctx, A>
 where
     StackNode<'a, Ctx, A>: Mentionable<'a, Ctx, _Fctr = StackNodeFactory<A::Fctr>>,
+    StackNodeFactory<A::Fctr>: FactoryParse<'a, Ctx>,
 {
     fn vec(self) -> StackVecWrapped<'a, Ctx, A> {
         Ctx::T::iterate_mut((vec![], self), |(mut vec, stack)| match stack {