diff --git a/ts/components/conversation/conversation-details/ConversationDetails.tsx b/ts/components/conversation/conversation-details/ConversationDetails.tsx
index 22e4d45650..19ee2b3d80 100644
--- a/ts/components/conversation/conversation-details/ConversationDetails.tsx
+++ b/ts/components/conversation/conversation-details/ConversationDetails.tsx
@@ -391,7 +391,7 @@ export function ConversationDetails({
         i18n={i18n}
         isMe={conversation.isMe}
         isGroup={isGroup}
-        memberships={memberships}
+        membersCount={conversation.membersCount ?? null}
         startEditing={(isGroupTitle: boolean) => {
           setModalState(
             isGroupTitle
diff --git a/ts/components/conversation/conversation-details/ConversationDetailsHeader.stories.tsx b/ts/components/conversation/conversation-details/ConversationDetailsHeader.stories.tsx
index a73c8a75e1..2eb9b0339b 100644
--- a/ts/components/conversation/conversation-details/ConversationDetailsHeader.stories.tsx
+++ b/ts/components/conversation/conversation-details/ConversationDetailsHeader.stories.tsx
@@ -41,7 +41,7 @@ function Wrapper(overrideProps: Partial<Props>) {
       i18n={i18n}
       canEdit={false}
       startEditing={action('startEditing')}
-      memberships={new Array(0)}
+      membersCount={0}
       isGroup
       isMe={false}
       theme={theme}
diff --git a/ts/components/conversation/conversation-details/ConversationDetailsHeader.tsx b/ts/components/conversation/conversation-details/ConversationDetailsHeader.tsx
index 450e61dc65..4aebfe44db 100644
--- a/ts/components/conversation/conversation-details/ConversationDetailsHeader.tsx
+++ b/ts/components/conversation/conversation-details/ConversationDetailsHeader.tsx
@@ -9,7 +9,6 @@ import { AvatarLightbox } from '../../AvatarLightbox';
 import type { ConversationType } from '../../../state/ducks/conversations';
 import { GroupDescription } from '../GroupDescription';
 import { About } from '../About';
-import type { GroupV2Membership } from './ConversationDetailsMembershipList';
 import type { LocalizerType, ThemeType } from '../../../types/Util';
 import { assertDev } from '../../../util/assert';
 import { BadgeDialog } from '../../BadgeDialog';
@@ -24,7 +23,7 @@ export type Props = {
   i18n: LocalizerType;
   isGroup: boolean;
   isMe: boolean;
-  memberships: ReadonlyArray<GroupV2Membership>;
+  membersCount: number | null;
   startEditing: (isGroupTitle: boolean) => void;
   toggleAboutContactModal: (contactId: string) => void;
   theme: ThemeType;
@@ -43,7 +42,7 @@ export function ConversationDetailsHeader({
   i18n,
   isGroup,
   isMe,
-  memberships,
+  membersCount,
   startEditing,
   toggleAboutContactModal,
   theme,
@@ -69,7 +68,7 @@ export function ConversationDetailsHeader({
       subtitle = i18n('icu:ConversationDetailsHeader--add-group-description');
     } else {
       subtitle = i18n('icu:ConversationDetailsHeader--members', {
-        number: memberships.length,
+        number: membersCount ?? 0,
       });
     }
   } else if (!isMe) {