diff --git a/.woodpecker/.build.yml b/.woodpecker/.build.yml
index bf8d3c098..11692dfa3 100644
--- a/.woodpecker/.build.yml
+++ b/.woodpecker/.build.yml
@@ -33,6 +33,7 @@ pipeline:
       - API_HASH
       - BOT_TOKEN
       - DEST
+      - DEPLOY_KEY
     environment:
       - PHP_VERSION=${php}
       - TAG=${CI_COMMIT_TAG}
diff --git a/src/Db/DriverArray.php b/src/Db/DriverArray.php
index 1928472b9..9b09439f7 100644
--- a/src/Db/DriverArray.php
+++ b/src/Db/DriverArray.php
@@ -236,7 +236,7 @@ abstract class DriverArray implements DbArray, IteratorAggregate
         }
         $base = \str_replace('NullCache\\', '', $instance::class);
         if ($include_serialization_type && $instance instanceof DriverArray) {
-            $base .= ' ('.$instance->dbSettings->getSerializer()->value.')';
+            $base .= ' ('.($instance->dbSettings->getSerializer()?->value ?? 'default').')';
         }
         return $base;
     }