diff --git a/.travis.yml b/.travis.yml
index 968ce6de222..dae7bdb0247 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -80,9 +80,14 @@ script:
   - if [ "$BEHAT_OPTS" != "" ] ; then cd "$HOME/build/ezplatform"; docker-compose exec --user www-data app sh -c "bin/behat $BEHAT_OPTS" ; fi
   - if [ "$REST_TEST_CONFIG" != "" ] ; then cd "$HOME/build/ezplatform"; docker-compose exec --user www-data app sh -c "php -d date.timezone=$TEST_TIMEZONE -d memory_limit=-1 bin/phpunit -v vendor/ezsystems/ezpublish-kernel/eZ/Bundle/EzPublishRestBundle/Tests/Functional"  ; fi
 
-# disable mail notifications
 notifications:
-  email: false
+  slack:
+    rooms:
+      - secure: Xb/nKrA5C4E5pNZulEVht1fT4gsOgoQp9WDNWVSBXz8i8JVPUZo20MtKt67pXK2SmxXbgY8aWbHrD1Y3Lv5YLUCHPJQKVxFiDLTh7sACxvHoEa8EuLiQo9naitMSXL1S4PaC8ptaVn9fe2Fwfg+ydSFLCsFDa+qmdBYjNaf8W4M=
+      - secure: qEgnhpVaWJZQNvJRisv5Kb1vfuZ4H0LjPGWdTk9Q1+MmQMhv/zGV1Z/H1+FEmxlZxk7zrC5ooLs5+K5Nf24XycAM1yczYWGBWJa0P+WKO1KfPx/NbOdSugXIKfbW4JcmwY5mpxPHf+9nUbEOv6zu3cOhWJg41MbTLcGRle+NZVc=
+    on_success: change
+    on_failure: always
+    on_pull_requests: false
 
 # reduce depth (history) of git checkout
 git:
diff --git a/eZ/Publish/Core/Persistence/Legacy/Content/UrlAlias/Gateway/DoctrineDatabase.php b/eZ/Publish/Core/Persistence/Legacy/Content/UrlAlias/Gateway/DoctrineDatabase.php
index b541d14b145..eba6f411885 100644
--- a/eZ/Publish/Core/Persistence/Legacy/Content/UrlAlias/Gateway/DoctrineDatabase.php
+++ b/eZ/Publish/Core/Persistence/Legacy/Content/UrlAlias/Gateway/DoctrineDatabase.php
@@ -893,7 +893,13 @@ public function loadPathData($id)
             if (empty($rows)) {
                 // Normally this should never happen
                 // @todo remove throw when tested
-                $path = implode('/', $pathData);
+                $pathDataArray = [];
+
+                foreach ($pathData as $path) {
+                    $pathDataArray[] = $path[0]['text'];
+                }
+
+                $path = implode('/', $pathDataArray);
                 throw new \RuntimeException("Path ({$path}...) is broken, last id is '{$id}': " . __METHOD__);
             }
 
diff --git a/eZ/Publish/Core/Persistence/Legacy/Notification/Gateway/DoctrineDatabase.php b/eZ/Publish/Core/Persistence/Legacy/Notification/Gateway/DoctrineDatabase.php
index 071a509dc19..7d3c31f5f38 100644
--- a/eZ/Publish/Core/Persistence/Legacy/Notification/Gateway/DoctrineDatabase.php
+++ b/eZ/Publish/Core/Persistence/Legacy/Notification/Gateway/DoctrineDatabase.php
@@ -124,7 +124,7 @@ public function countUserPendingNotifications(int $userId): int
             ->select('COUNT(' . self::COLUMN_ID . ')')
             ->from(self::TABLE_NOTIFICATION)
             ->where($query->expr()->eq(self::COLUMN_OWNER_ID, ':user_id'))
-            ->where($query->expr()->eq(self::COLUMN_IS_PENDING, true))
+            ->andWhere($query->expr()->eq(self::COLUMN_IS_PENDING, true))
             ->setParameter(':user_id', $userId, PDO::PARAM_INT);
 
         return (int)$query->execute()->fetchColumn();