diff --git a/js/src/graphql/event.ts b/js/src/graphql/event.ts
index 155802b43..d2dcc4b3b 100644
--- a/js/src/graphql/event.ts
+++ b/js/src/graphql/event.ts
@@ -207,7 +207,7 @@ export const CREATE_EVENT = gql`
     $physicalAddress: AddressInput
     $options: EventOptionsInput
     $contacts: [Contact]
-    $metadata: EventMetadataInput
+    $metadata: [EventMetadataInput]
   ) {
     createEvent(
       organizerActorId: $organizerActorId
@@ -257,7 +257,7 @@ export const EDIT_EVENT = gql`
     $physicalAddress: AddressInput
     $options: EventOptionsInput
     $contacts: [Contact]
-    $metadata: EventMetadataInput
+    $metadata: [EventMetadataInput]
   ) {
     updateEvent(
       eventId: $id