diff --git a/package.json b/package.json
index 6052bed7d..aff8b6e9a 100644
--- a/package.json
+++ b/package.json
@@ -190,7 +190,7 @@
     "@babel/preset-typescript": "7.17.12",
     "@electron/fuses": "1.5.0",
     "@mixer/parallel-prettier": "2.0.1",
-    "@signalapp/mock-server": "2.11.0",
+    "@signalapp/mock-server": "2.12.0",
     "@storybook/addon-a11y": "6.5.6",
     "@storybook/addon-actions": "6.5.6",
     "@storybook/addon-controls": "6.5.6",
diff --git a/ts/groupChange.ts b/ts/groupChange.ts
index bdba7fd22..f3a0b6fc6 100644
--- a/ts/groupChange.ts
+++ b/ts/groupChange.ts
@@ -269,9 +269,8 @@ export function renderChangeDetail<T>(
     const { uuid, inviter } = detail;
     const weAreJoiner = isOurUuid(uuid);
     const weAreInviter = isOurUuid(inviter);
-    const pniPromotedToACI = weAreJoiner && from === ourPNI;
 
-    if (!from || (from !== uuid && !pniPromotedToACI)) {
+    if (!from || from !== uuid) {
       if (weAreJoiner) {
         // They can't be the same, no fromYou check here
         if (from) {
diff --git a/ts/groups.ts b/ts/groups.ts
index 93803d473..3a18996a5 100644
--- a/ts/groups.ts
+++ b/ts/groups.ts
@@ -4102,16 +4102,18 @@ async function integrateGroupChange({
         `from version ${group.revision} to ${groupChangeActions.version}`
     );
 
-    const { newAttributes, newProfileKeys } = await applyGroupChange({
-      group,
-      actions: decryptedChangeActions,
-      sourceUuid,
-    });
+    const { newAttributes, newProfileKeys, promotedAciToPniMap } =
+      await applyGroupChange({
+        group,
+        actions: decryptedChangeActions,
+        sourceUuid,
+      });
 
     const groupChangeMessages = extractDiffs({
       old: attributes,
       current: newAttributes,
       sourceUuid,
+      promotedAciToPniMap,
     });
 
     attributes = newAttributes;
@@ -4193,11 +4195,13 @@ function extractDiffs({
   dropInitialJoinMessage,
   old,
   sourceUuid,
+  promotedAciToPniMap,
 }: {
   current: ConversationAttributesType;
   dropInitialJoinMessage?: boolean;
   old: ConversationAttributesType;
   sourceUuid?: UUIDStringType;
+  promotedAciToPniMap?: ReadonlyMap<UUIDStringType, UUIDStringType>;
 }): Array<GroupChangeMessageType> {
   const logId = idForLogging(old.groupId);
   const details: Array<GroupV2ChangeDetailType> = [];
@@ -4345,6 +4349,16 @@ function extractDiffs({
     (current.pendingMembersV2 || []).map(member => member.uuid)
   );
 
+  const aciToPniMap = new Map(promotedAciToPniMap?.entries());
+  if (ourACI && ourPNI) {
+    aciToPniMap.set(ourACI.toString(), ourPNI.toString());
+  }
+
+  const pniToAciMap = new Map<UUIDStringType, UUIDStringType>();
+  for (const [aci, pni] of aciToPniMap) {
+    pniToAciMap.set(pni, aci);
+  }
+
   (current.membersV2 || []).forEach(currentMember => {
     const { uuid } = currentMember;
     const uuidIsUs = isUs(uuid);
@@ -4356,9 +4370,19 @@ function extractDiffs({
     const oldMember = oldMemberLookup.get(uuid);
     if (!oldMember) {
       let pendingMember = oldPendingMemberLookup.get(uuid);
-      if (uuidIsUs && ourPNI && !pendingMember) {
-        pendingMember = oldPendingMemberLookup.get(ourPNI.toString());
+      const pni = aciToPniMap.get(uuid);
+      if (!pendingMember && pni) {
+        pendingMember = oldPendingMemberLookup.get(pni);
+
+        // Someone's ACI just joined (wasn't a member before) and their PNI
+        // disappeared from the invite list. Treat this as a promotion from PNI
+        // to ACI and pretend that the PNI wasn't pending so that we won't
+        // generate a pending-add-one notification below.
+        if (pendingMember && !currentPendingMemberSet.has(pni)) {
+          oldPendingMemberLookup.delete(pni);
+        }
       }
+
       if (pendingMember) {
         details.push({
           type: 'member-add-from-invite',
@@ -4400,20 +4424,6 @@ function extractDiffs({
 
     // This deletion makes it easier to capture removals
     oldMemberLookup.delete(uuid);
-
-    // Our ACI just joined (wasn't a member before) and our PNI disappeared
-    // from the invite list. Treat this as a promotion from PNI to ACI and
-    // pretend that the PNI wasn't pending so that we won't generate a
-    // pending-add-one notification below.
-    if (
-      uuidIsUs &&
-      ourPNI &&
-      !oldMember &&
-      oldPendingMemberLookup.has(ourPNI.toString()) &&
-      !currentPendingMemberSet.has(ourPNI.toString())
-    ) {
-      oldPendingMemberLookup.delete(ourPNI.toString());
-    }
   });
 
   const removedMemberIds = Array.from(oldMemberLookup.keys());
@@ -4555,6 +4565,8 @@ function extractDiffs({
   const isFromUs = ourACI.toString() === sourceUuid;
   const justJoinedGroup = !firstUpdate && !didWeStartInGroup && areWeInGroup;
 
+  const from = (sourceUuid && pniToAciMap.get(sourceUuid)) ?? sourceUuid;
+
   // Here we hardcode initial messages if this is our first time processing data for this
   //   group. Ideally we can collapse it down to just one of: 'you were added',
   //   'you were invited', or 'you created.'
@@ -4564,7 +4576,7 @@ function extractDiffs({
       ...generateBasicMessage(),
       type: 'group-v2-change',
       groupV2Change: {
-        from: whoInvitedUsUserId || sourceUuid,
+        from: whoInvitedUsUserId || from,
         details: [
           {
             type: 'pending-add-one',
@@ -4603,7 +4615,7 @@ function extractDiffs({
       ...generateBasicMessage(),
       type: 'group-v2-change',
       groupV2Change: {
-        from: sourceUuid,
+        from,
         details: [
           {
             type: 'create',
@@ -4625,7 +4637,7 @@ function extractDiffs({
       ...generateBasicMessage(),
       type: 'group-v2-change',
       groupV2Change: {
-        from: sourceUuid,
+        from,
         details: filteredDetails,
       },
       readStatus: ReadStatus.Read,
@@ -4636,7 +4648,7 @@ function extractDiffs({
       ...generateBasicMessage(),
       type: 'group-v2-change',
       groupV2Change: {
-        from: sourceUuid,
+        from,
         details: [
           {
             type: 'create',
@@ -4666,7 +4678,7 @@ function extractDiffs({
       type: 'group-v2-change',
       sourceUuid,
       groupV2Change: {
-        from: sourceUuid,
+        from,
         details: filteredDetails,
       },
       readStatus: ReadStatus.Read,
@@ -4678,7 +4690,7 @@ function extractDiffs({
       type: 'group-v2-change',
       sourceUuid,
       groupV2Change: {
-        from: sourceUuid,
+        from,
         details,
       },
       readStatus: ReadStatus.Read,
@@ -4737,6 +4749,10 @@ type GroupApplyResultType = {
   newProfileKeys: Array<GroupChangeMemberType>;
 };
 
+type GroupApplyChangeResultType = GroupApplyResultType & {
+  promotedAciToPniMap: Map<UUIDStringType, UUIDStringType>;
+};
+
 async function applyGroupChange({
   actions,
   group,
@@ -4745,7 +4761,7 @@ async function applyGroupChange({
   actions: DecryptedGroupChangeActions;
   group: ConversationAttributesType;
   sourceUuid: UUIDStringType;
-}): Promise<GroupApplyResultType> {
+}): Promise<GroupApplyChangeResultType> {
   const logId = idForLogging(group.groupId);
   const ourACI = window.storage.user.getCheckedUuid(UUIDKind.ACI).toString();
 
@@ -4755,6 +4771,7 @@ async function applyGroupChange({
   const version = actions.version || 0;
   const result = { ...group };
   const newProfileKeys: Array<GroupChangeMemberType> = [];
+  const promotedAciToPniMap = new Map<UUIDStringType, UUIDStringType>();
 
   const members: Record<UUIDStringType, GroupV2MemberType> = fromPairs(
     (result.membersV2 || []).map(member => [member.uuid, member])
@@ -4992,6 +5009,8 @@ async function applyGroupChange({
 
       const previousRecord = pendingMembers[pni];
 
+      promotedAciToPniMap.set(aci, pni);
+
       if (pendingMembers[pni]) {
         delete pendingMembers[pni];
       } else {
@@ -5278,6 +5297,7 @@ async function applyGroupChange({
   return {
     newAttributes: result,
     newProfileKeys,
+    promotedAciToPniMap,
   };
 }
 
diff --git a/ts/test-mock/pnp/accept_gv2_invite_test.ts b/ts/test-mock/pnp/accept_gv2_invite_test.ts
index 36dfa63e8..307bb8377 100644
--- a/ts/test-mock/pnp/accept_gv2_invite_test.ts
+++ b/ts/test-mock/pnp/accept_gv2_invite_test.ts
@@ -262,4 +262,58 @@ describe('pnp/accept gv2 invite', function needsName() {
     assert(!group.getPendingMemberByUUID(desktop.uuid));
     assert(group.getPendingMemberByUUID(desktop.pni));
   });
+
+  it('should display a single notification for remote PNI accept', async () => {
+    const { phone, contacts, desktop } = bootstrap;
+
+    const [first, second] = contacts;
+
+    debug('Creating new group with Desktop');
+    group = await phone.createGroup({
+      title: 'Remote Invite',
+      members: [phone, first],
+    });
+
+    debug('Inviting remote PNI to group');
+    const secondKey = await second.device.popSingleUseKey(UUIDKind.PNI);
+    await first.addSingleUseKey(second.device, secondKey, UUIDKind.PNI);
+
+    group = await first.inviteToGroup(group, second.device, {
+      uuidKind: UUIDKind.PNI,
+      timestamp: bootstrap.getTimestamp(),
+
+      // There is no one to receive it so don't bother.
+      sendInvite: false,
+    });
+
+    debug('Sending message to group');
+    await first.sendText(desktop, 'howdy', {
+      group,
+      timestamp: bootstrap.getTimestamp(),
+    });
+
+    const window = await app.getWindow();
+    const leftPane = window.locator('.left-pane-wrapper');
+
+    debug('Opening new group');
+    await leftPane
+      .locator(
+        '_react=ConversationListItem' +
+          `[title = ${JSON.stringify(group.title)}]`
+      )
+      .click();
+
+    debug('Accepting remote invite');
+    await second.acceptPniInvite(group, desktop, {
+      timestamp: bootstrap.getTimestamp(),
+    });
+
+    await window
+      .locator(
+        '.SystemMessage >> ' +
+          `text=${second.profileName} accepted an invitation to the group ` +
+          `from ${first.profileName}.`
+      )
+      .waitFor();
+  });
 });
diff --git a/yarn.lock b/yarn.lock
index 187e3a3ac..2d0a382c7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2057,10 +2057,10 @@
     node-gyp-build "^4.2.3"
     uuid "^8.3.0"
 
-"@signalapp/mock-server@2.11.0":
-  version "2.11.0"
-  resolved "https://registry.yarnpkg.com/@signalapp/mock-server/-/mock-server-2.11.0.tgz#fe5f6229c4a5c28b3591e986a1622218452c5112"
-  integrity sha512-m23XZ8lrBn0u+zakxkKG5SezyUg6fnWwZewFF28sHNL7fQDVPHJkFCJZgE9XJwHBDM7TYz9ca/ucReW4GIPHoQ==
+"@signalapp/mock-server@2.12.0":
+  version "2.12.0"
+  resolved "https://registry.yarnpkg.com/@signalapp/mock-server/-/mock-server-2.12.0.tgz#ca7ed46406603746d2cb49349d3fb843fe4b45eb"
+  integrity sha512-d6OFulnOWG0U3Xj0ChBGHThyBlno54Va+Cb/E0ggEx7PhD1Y9GX8gLc0V8HHP203b+1JThX4SdK03dpsOILxfQ==
   dependencies:
     "@signalapp/libsignal-client" "^0.20.0"
     debug "^4.3.2"