1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Db/Feed.php b/lib/Db/Feed.php
index 8a23f731a..3c371087b 100644
--- a/lib/Db/Feed.php
+++ b/lib/Db/Feed.php
@@ -676,7 +676,7 @@ class Feed extends Entity implements IAPI, \JsonSerializable
             'isPinned' => $this->getPinned()
         ];
 
-        if (!empty($this->getLastUpdateError())) {
+        if (!is_null($this->getLastUpdateError()) || trim($this->getLastUpdateError()) !== '') {
             $result['error'] = [
                 'code' => 1,
                 'message' => $this->getLastUpdateError()