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-rw-r--r--apps/dav/lib/CardDAV/CardDavBackend.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/apps/dav/lib/CardDAV/CardDavBackend.php b/apps/dav/lib/CardDAV/CardDavBackend.php
index 48e3b04b38b..b8491c08ff6 100644
--- a/apps/dav/lib/CardDAV/CardDavBackend.php
+++ b/apps/dav/lib/CardDAV/CardDavBackend.php
@@ -111,7 +111,7 @@ class CardDavBackend implements BackendInterface, SyncSupport {
->from('addressbooks')
->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
- return $query->execute()->fetchColumn();
+ return (int)$query->execute()->fetchColumn();
}
/**