diff --git a/arche/arche_constants.ttl b/arche/arche_constants.ttl
index 4f86b81869..3fe2ab452b 100644
--- a/arche/arche_constants.ttl
+++ b/arche/arche_constants.ttl
@@ -228,7 +228,7 @@
     acdh:hasFirstName "Adalbert Franz"@de ;
     acdh:hasLastName "Seligmann"@de .
 
-<https://d-nb.info/gnd/1176130706> a acdh:Person ;
+<https://id.acdh.oeaw.ac.at/iboerner> a acdh:Person ;
     acdh:hasFirstName "Ingo"@de ;
     acdh:hasLastName "Börner"@de .
 
@@ -380,7 +380,7 @@
     acdh:hasFirstName "Friedrich M."@de ;
     acdh:hasLastName "Fels"@de .
 
-<https://d-nb.info/gnd/1289549982> a acdh:Person ;
+<https://orcid.org/0000-0002-9649-0870> a acdh:Person ;
     acdh:hasFirstName "Laura"@de ;
     acdh:hasLastName "Untner"@de .
 
diff --git a/arche/repo_objects_constants.ttl b/arche/repo_objects_constants.ttl
index 7efe9cc22d..ce70970aab 100644
--- a/arche/repo_objects_constants.ttl
+++ b/arche/repo_objects_constants.ttl
@@ -8,9 +8,9 @@
     acdh:hasRelatedDiscipline <https://vocabs.acdh.oeaw.ac.at/oefosdisciplines/602014> ;
     acdh:hasCreator <https://d-nb.info/gnd/1050382196> ;
     acdh:hasCreator <https://orcid.org/0000-0002-4257-7313> ;
-    acdh:hasCreator <https://d-nb.info/gnd/1289549982> ;
+    acdh:hasCreator <https://orcid.org/0000-0002-9649-0870> ;
     acdh:hasCurator <https://d-nb.info/gnd/1050382196> ;
     acdh:hasContributor <https://d-nb.info/gnd/1043833846> ;
-    acdh:hasContributor <https://orcid.org/0000-0001-8294-2541> ; 
+    acdh:hasContributor <https://id.acdh.oeaw.ac.at/iboerner> ; 
     acdh:hasDepositor <https://d-nb.info/gnd/1043833846> ;
     acdh:hasMetadataCreator <https://d-nb.info/gnd/1043833846> .