diff --git a/ts/groups.preload.ts b/ts/groups.preload.ts
index ac384436b0..8a073f5892 100644
--- a/ts/groups.preload.ts
+++ b/ts/groups.preload.ts
@@ -4651,11 +4651,15 @@ function extractDiffs({
     current.accessControl &&
     old.accessControl &&
     old.accessControl.memberLabel !== undefined &&
+    old.accessControl.memberLabel !==
+      Proto.AccessControl.AccessRequired.UNKNOWN &&
     old.accessControl.memberLabel !== current.accessControl.memberLabel
   ) {
     details.push({
       type: 'access-member-label',
-      newPrivilege: current.accessControl.memberLabel,
+      newPrivilege:
+        current.accessControl.memberLabel ??
+        Proto.AccessControl.AccessRequired.UNKNOWN,
     });
   }
 
diff --git a/ts/model-types.d.ts b/ts/model-types.d.ts
index a754b8fe01..8d287c4625 100644
--- a/ts/model-types.d.ts
+++ b/ts/model-types.d.ts
@@ -502,7 +502,7 @@ export type ConversationAttributesType = {
     attributes: AccessRequiredEnum;
     members: AccessRequiredEnum;
     addFromInviteLink: AccessRequiredEnum;
-    memberLabel: AccessRequiredEnum;
+    memberLabel: AccessRequiredEnum | undefined;
   };
   announcementsOnly?: boolean;
   avatar?: ContactAvatarType | null;