diff --git a/apps/files/lib/Activity/Provider.php b/apps/files/lib/Activity/Provider.php
index 3ef79ac107f..d50ebd57ff5 100644
--- a/apps/files/lib/Activity/Provider.php
+++ b/apps/files/lib/Activity/Provider.php
@@ -501,7 +501,7 @@ class Provider implements IProvider {
 			'strict_search' => true,
 		]);
 		foreach ($addressBookContacts as $contact) {
-			if (isset($contact['isLocalSystemBook'])) {
+			if (isset($contact['isLocalSystemBook']) || isset($contact['isVirtualAddressbook'])) {
 				continue;
 			}
 
diff --git a/apps/files_sharing/lib/Activity/Providers/Base.php b/apps/files_sharing/lib/Activity/Providers/Base.php
index 7428af382fc..b50e2ce5373 100644
--- a/apps/files_sharing/lib/Activity/Providers/Base.php
+++ b/apps/files_sharing/lib/Activity/Providers/Base.php
@@ -160,7 +160,7 @@ abstract class Base implements IProvider {
 			'strict_search' => true,
 		]);
 		foreach ($addressBookContacts as $contact) {
-			if (isset($contact['isLocalSystemBook'])) {
+			if (isset($contact['isLocalSystemBook']) || isset($contact['isVirtualAddressbook'])) {
 				continue;
 			}
 
diff --git a/apps/sharebymail/lib/Activity.php b/apps/sharebymail/lib/Activity.php
index 2d8289affa4..22c17a58df0 100644
--- a/apps/sharebymail/lib/Activity.php
+++ b/apps/sharebymail/lib/Activity.php
@@ -287,7 +287,7 @@ class Activity implements IProvider {
 		]);
 
 		foreach ($addressBookContacts as $contact) {
-			if (isset($contact['isLocalSystemBook'])) {
+			if (isset($contact['isLocalSystemBook']) || isset($contact['isVirtualAddressbook'])) {
 				continue;
 			}
 
diff --git a/lib/private/Collaboration/Collaborators/RemotePlugin.php b/lib/private/Collaboration/Collaborators/RemotePlugin.php
index f226715bfe9..e52683cfd5a 100644
--- a/lib/private/Collaboration/Collaborators/RemotePlugin.php
+++ b/lib/private/Collaboration/Collaborators/RemotePlugin.php
@@ -49,7 +49,7 @@ class RemotePlugin implements ISearchPlugin {
 			'fullmatch' => false,
 		]);
 		foreach ($addressBookContacts as $contact) {
-			if (isset($contact['isLocalSystemBook'])) {
+			if (isset($contact['isLocalSystemBook']) || isset($contact['isVirtualAddressbook'])) {
 				continue;
 			}
 			if (isset($contact['CLOUD'])) {
diff --git a/lib/private/Contacts/ContactsMenu/ContactsStore.php b/lib/private/Contacts/ContactsMenu/ContactsStore.php
index 5fa25512c97..9df0af483f1 100644
--- a/lib/private/Contacts/ContactsMenu/ContactsStore.php
+++ b/lib/private/Contacts/ContactsMenu/ContactsStore.php
@@ -305,8 +305,7 @@ class ContactsStore implements IContactsStore {
 				}
 			}
 			if ($shareType === 0 || $shareType === 6) {
-				$isLocal = $contact['isLocalSystemBook'] ?? false;
-				if ($contact['UID'] === $shareWith && $isLocal === true) {
+				if (($contact['isLocalSystemBook'] ?? false) === true && $contact['UID'] === $shareWith) {
 					$match = $contact;
 					break;
 				}