diff --git a/apps/contacts/ajax/contact/move.php b/apps/contacts/ajax/contact/move.php
index a3336c3cb6..053343c47e 100644
--- a/apps/contacts/ajax/contact/move.php
+++ b/apps/contacts/ajax/contact/move.php
@@ -7,35 +7,23 @@
 * later.
 * See the COPYING-README file.
 */
-	
+
 OCP\JSON::checkLoggedIn();
 OCP\JSON::checkAppEnabled('contacts');
 OCP\JSON::callCheck();
 
-$ids = $_POST['ids'];
+$id = intval($_POST['id']);
 $aid = intval($_POST['aid']);
+$isaddressbook = isset($_POST['isaddressbook']) ? true: false;
+
+// Ownership checking
 OC_Contacts_App::getAddressbook($aid);
-	
-if(!is_array($ids)) {
-	$ids = array($ids,);
-}
-$goodids = array();
-foreach ($ids as $id){
-	try {
-		$card = OC_Contacts_App::getContactObject( intval($id) );
-		if($card) {
-			$goodids[] = $id;
-		}
-	} catch (Exception $e) {
-		OCP\Util::writeLog('contacts', 'Error moving contact "'.$id.'" to addressbook "'.$aid.'"'.$e->getMessage(), OCP\Util::ERROR);
-	}
-}
 try {
-	OC_Contacts_VCard::moveToAddressBook($aid, $ids);
+	OC_Contacts_VCard::moveToAddressBook($aid, $id, $isaddressbook);
 }  catch (Exception $e) {
 	$msg = $e->getMessage();
-	OCP\Util::writeLog('contacts', 'Error moving contacts "'.implode(',', $ids).'" to addressbook "'.$aid.'"'.$msg, OCP\Util::ERROR);
+	OCP\Util::writeLog('contacts', 'Error moving contacts "'.implode(',', $id).'" to addressbook "'.$aid.'"'.$msg, OCP\Util::ERROR);
 	OC_JSON::error(array('data' => array('message' => $msg,)));
 }
-	
-OC_JSON::success(array('data' => array('ids' => $goodids,)));
\ No newline at end of file
+
+OC_JSON::success(array('data' => array('ids' => $id,)));
\ No newline at end of file
diff --git a/apps/contacts/js/contacts.js b/apps/contacts/js/contacts.js
index 35637de050..f535dc03f3 100644
--- a/apps/contacts/js/contacts.js
+++ b/apps/contacts/js/contacts.js
@@ -1437,8 +1437,12 @@ OC.Contacts={
 			if(dragitem.data('bookid') == droptarget.data('id')) {
 				return false;
 			}
-			var droplist = (droptarget.is('ul'))?droptarget:droptarget.next();
-			$.post(OC.filePath('contacts', 'ajax', 'contact/move.php'), { ids: dragitem.data('id'), aid: droptarget.data('id') },
+			var droplist = (droptarget.is('ul')) ? droptarget : droptarget.next();
+			$.post(OC.filePath('contacts', 'ajax', 'contact/move.php'),
+				{
+					id: dragitem.data('id'),
+					aid: droptarget.data('id')
+				},
 				function(jsondata){
 					if(jsondata.status == 'success'){
 						dragitem.attr('data-bookid', droptarget.data('id'))
@@ -1454,7 +1458,27 @@ OC.Contacts={
 			});
 		},
 		dropAddressbook:function(event, dragitem, droptarget) {
-			alert('Dropping address books not implemented yet');
+			if(confirm(t('contacts', 'Do you want to merge these address books?'))) {
+				if(dragitem.data('bookid') == droptarget.data('id')) {
+					return false;
+				}
+				var droplist = (droptarget.is('ul')) ? droptarget : droptarget.next();
+				$.post(OC.filePath('contacts', 'ajax', 'contact/move.php'),
+					{
+						id: dragitem.data('id'),
+						aid: droptarget.data('id'),
+						isaddressbook: 1
+				},
+				function(jsondata){
+					if(jsondata.status == 'success'){
+						OC.Contacts.Contacts.update(); // Easier to refresh the whole bunch.
+					} else {
+						OC.dialogs.alert(jsondata.data.message, t('contacts', 'Error'));
+					}
+				});
+			} else {
+				return false;
+			}
 		},
 		/**
 		 * @params params An object with the properties 'contactlist':a jquery object of the ul to insert into,
diff --git a/apps/contacts/lib/vcard.php b/apps/contacts/lib/vcard.php
index b213bcd762..91ac89f553 100644
--- a/apps/contacts/lib/vcard.php
+++ b/apps/contacts/lib/vcard.php
@@ -589,7 +589,7 @@ class OC_Contacts_VCard{
 	 * @return boolean
 	 *
 	 */
-	public static function moveToAddressBook($aid, $id) {
+	public static function moveToAddressBook($aid, $id, $isAddressbook = false) {
 		OC_Contacts_App::getAddressbook($aid); // check for user ownership.
 		if(is_array($id)) {
 			$id_sql = join(',', array_fill(0, count($id), '?'));
@@ -606,8 +606,13 @@ class OC_Contacts_VCard{
 				return false;
 			}
 		} else {
-			try {
+			$stmt = null;
+			if($isAddressbook) {
+				$stmt = OCP\DB::prepare( 'UPDATE *PREFIX*contacts_cards SET addressbookid = ? WHERE addressbookid = ?' );
+			} else {
 				$stmt = OCP\DB::prepare( 'UPDATE *PREFIX*contacts_cards SET addressbookid = ? WHERE id = ?' );
+			}
+			try {
 				$result = $stmt->execute(array($aid, $id));
 			} catch(Exception $e) {
 				OCP\Util::writeLog('contacts', __CLASS__.'::'.__METHOD__.', exception: '.$e->getMessage(), OCP\Util::DEBUG);