diff --git a/ChangeLog.md b/ChangeLog.md
index bd1af1a533..02e04d9218 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,6 +1,13 @@
 ChangeLog
 =========
 
+2.1.10 (????-??-??)
+-------------------
+
+* #784: Sync logs for address books were not correctly cleaned up after
+  deleting them.
+
+
 2.1.9 (2016-01-25)
 ------------------
 
diff --git a/lib/CardDAV/Backend/PDO.php b/lib/CardDAV/Backend/PDO.php
index 5ea092b1e6..a836510992 100644
--- a/lib/CardDAV/Backend/PDO.php
+++ b/lib/CardDAV/Backend/PDO.php
@@ -206,7 +206,7 @@ function deleteAddressBook($addressBookId) {
         $stmt = $this->pdo->prepare('DELETE FROM ' . $this->addressBooksTableName . ' WHERE id = ?');
         $stmt->execute([$addressBookId]);
 
-        $stmt = $this->pdo->prepare('DELETE FROM '.$this->addressBookChangesTableName.' WHERE id = ?');
+        $stmt = $this->pdo->prepare('DELETE FROM '.$this->addressBookChangesTableName.' WHERE addressbookid = ?');
         $stmt->execute([$addressBookId]);
 
     }
diff --git a/lib/DAV/Version.php b/lib/DAV/Version.php
index afe2aa8a24..7804e069f9 100644
--- a/lib/DAV/Version.php
+++ b/lib/DAV/Version.php
@@ -14,6 +14,6 @@ class Version {
     /**
      * Full version number
      */
-    const VERSION = '2.1.9';
+    const VERSION = '2.1.10';
 
 }