diff --git a/linkml_model/model/schema/types.yaml b/linkml_model/model/schema/types.yaml
index 6be79908..30894f32 100644
--- a/linkml_model/model/schema/types.yaml
+++ b/linkml_model/model/schema/types.yaml
@@ -123,7 +123,7 @@ types:
       If you are authoring schemas in LinkML YAML, the type is referenced with the lower case "date_or_datetime".
 
   uriorcurie:
-    uri: xsd:anyURI
+    uri: linkml:UriOrCurie
     base: URIorCURIE
     repr: str
     description: a URI or a CURIE
@@ -131,7 +131,7 @@ types:
       If you are authoring schemas in LinkML YAML, the type is referenced with the lower case "uriorcurie".
 
   curie:
-    uri: xsd:string
+    uri: linkml:Curie
     base: Curie
     repr: str
     description: a compact URI