2 files changed, 3 insertions, 3 deletions
diff --git a/src/data/things/artist.js b/src/data/things/artist.js
index 303f33f3..f144b21f 100644
--- a/src/data/things/artist.js
+++ b/src/data/things/artist.js
@@ -27,9 +27,8 @@ export class Artist extends Thing {
 
     aliasNames: {
       flags: {update: true, expose: true},
-      update: {
-        validate: validateArrayItems(isName),
-      },
+      update: {validate: validateArrayItems(isName)},
+      expose: {transform: (names) => names ?? []},
     },
 
     isAlias: Thing.common.flag(),
diff --git a/src/data/things/thing.js b/src/data/things/thing.js
index 5ab15c0e..f0065b55 100644
--- a/src/data/things/thing.js
+++ b/src/data/things/thing.js
@@ -63,6 +63,7 @@ export default class Thing extends CacheableObject {
     urls: () => ({
       flags: {update: true, expose: true},
       update: {validate: validateArrayItems(isURL)},
+      expose: {transform: (value) => value ?? []},
     }),
 
     // A file extension! Or the default, if provided when calling this.