diff --git a/installer/data/mysql/en/optional/marc21_relatorterms.yml b/installer/data/mysql/en/optional/marc21_relatorterms.yml
index 273a3b0e0d..1ea139c563 100644
--- a/installer/data/mysql/en/optional/marc21_relatorterms.yml
+++ b/installer/data/mysql/en/optional/marc21_relatorterms.yml
@@ -586,6 +586,10 @@ tables:
           authorised_value: "ilu"
           lib: "Illuminator"
 
+        - category: "RELTERMS"
+          authorised_value: "ink"
+          lib: "Inker"
+
         - category: "RELTERMS"
           authorised_value: "ins"
           lib: "Inscriber"
@@ -830,6 +834,10 @@ tables:
           authorised_value: "pmn"
           lib: "Production manager"
 
+        - category: "RELTERMS"
+          authorised_value: "pnc"
+          lib: "Penciller"
+
         - category: "RELTERMS"
           authorised_value: "pop"
           lib: "Printer of plates"