diff --git a/lib/private/files/utils/scanner.php b/lib/private/files/utils/scanner.php
index 9b3bae0b9aab307c11a62f802917935379e2a992..85ca734c146ca88c1e61d39f62deb08ba871509e 100644
--- a/lib/private/files/utils/scanner.php
+++ b/lib/private/files/utils/scanner.php
@@ -174,6 +174,7 @@ class Scanner extends PublicEmitter {
 				$scanner->scan($relativePath, \OC\Files\Cache\Scanner::SCAN_RECURSIVE, \OC\Files\Cache\Scanner::REUSE_ETAG | \OC\Files\Cache\Scanner::REUSE_SIZE);
 			} catch (StorageNotAvailableException $e) {
 				$this->logger->error('Storage ' . $storage->getId() . ' not available');
+				$this->logger->logException($e);
 				$this->emit('\OC\Files\Utils\Scanner', 'StorageNotAvailable', [$e]);
 			}
 			if (!$isDbLocking) {