diff --git a/Lake/Config/Opaque.lean b/Lake/Config/Opaque.lean
index b1489e1d72..849270a8ae 100644
--- a/Lake/Config/Opaque.lean
+++ b/Lake/Config/Opaque.lean
@@ -5,14 +5,14 @@ Authors: Mac Malone
 -/
 namespace Lake
 
-constant OpaquePackagePointed : PointedType.{0}
+constant OpaquePackagePointed : NonemptyType.{0}
 
 /-- Opaque reference to a `Package` used for forward declaration. -/
 def OpaquePackage : Type := OpaquePackagePointed.type
 
 instance : Nonempty OpaquePackage := OpaquePackagePointed.property
 
-constant OpaqueWorkspacePointed : PointedType.{0}
+constant OpaqueWorkspacePointed : NonemptyType.{0}
 
 /-- Opaque reference to a `Workspace` used for forward declaration. -/
 def OpaqueWorkspace : Type := OpaqueWorkspacePointed.type