diff --git a/mailpoet/lib/Migrator/Repository.php b/mailpoet/lib/Migrator/Repository.php
index 56fba6f718..4e66196979 100644
--- a/mailpoet/lib/Migrator/Repository.php
+++ b/mailpoet/lib/Migrator/Repository.php
@@ -33,9 +33,9 @@ class Repository {
       throw MigratorException::templateFileReadFailed($templateFile);
     }
     $name = $this->generateName($level);
-    $classDeclaration = str_replace('{level}', $level, 'class {level}MigrationTemplate ');
-    $migration = str_replace($classDeclaration, "class $name ", $template);
-    $path = $this->migrationsDir . "/$level" . "/$name.php";
+    $migration = str_replace('{level}', $level, 'class {level}MigrationTemplate ');
+    $migration = str_replace($migration, "class $name ", $template);
+    $path = "$this->migrationsDir/$level/$name.php";
     $result = @file_put_contents($path, $migration);
     if (!$result) {
       throw MigratorException::migrationFileWriteFailed($path);
diff --git a/mailpoet/lib/Migrator/Runner.php b/mailpoet/lib/Migrator/Runner.php
index c4b772ad9e..1d34e366f7 100644
--- a/mailpoet/lib/Migrator/Runner.php
+++ b/mailpoet/lib/Migrator/Runner.php
@@ -29,10 +29,9 @@ class Runner {
     $className = $this->getClassName($name, $level);
 
     try {
+      /** @var DbMigration|AppMigration $migration */
       $migration = new $className($this->container);
       $this->store->startMigration($name);
-      // PHPStan does not recognize that $migration is instance of DbMigration or AppMigration
-      /** @phpstan-ignore-next-line */
       $migration->run();
       $this->store->completeMigration($name);
     } catch (Throwable $e) {