diff --git a/lib/private/DB/MigratorExecuteSqlEvent.php b/lib/private/DB/MigratorExecuteSqlEvent.php
index 9c67587fc1c..997a4eee53a 100644
--- a/lib/private/DB/MigratorExecuteSqlEvent.php
+++ b/lib/private/DB/MigratorExecuteSqlEvent.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /**
  * @copyright Copyright (c) 2022 Côme Chilliet <come.chilliet@nextcloud.com>
  *
diff --git a/lib/private/Repair/Events/RepairAdvanceEvent.php b/lib/private/Repair/Events/RepairAdvanceEvent.php
index c82c61c186c..7602127cf41 100644
--- a/lib/private/Repair/Events/RepairAdvanceEvent.php
+++ b/lib/private/Repair/Events/RepairAdvanceEvent.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /**
  * @copyright Copyright (c) 2022 Côme Chilliet <come.chilliet@nextcloud.com>
  *
diff --git a/lib/private/Repair/Events/RepairErrorEvent.php b/lib/private/Repair/Events/RepairErrorEvent.php
index c1380143216..7f8a87cfda3 100644
--- a/lib/private/Repair/Events/RepairErrorEvent.php
+++ b/lib/private/Repair/Events/RepairErrorEvent.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /**
  * @copyright Copyright (c) 2022 Côme Chilliet <come.chilliet@nextcloud.com>
  *
diff --git a/lib/private/Repair/Events/RepairFinishEvent.php b/lib/private/Repair/Events/RepairFinishEvent.php
index 2d3027c23bc..abdc2acd1ce 100644
--- a/lib/private/Repair/Events/RepairFinishEvent.php
+++ b/lib/private/Repair/Events/RepairFinishEvent.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /**
  * @copyright Copyright (c) 2022 Côme Chilliet <come.chilliet@nextcloud.com>
  *
diff --git a/lib/private/Repair/Events/RepairInfoEvent.php b/lib/private/Repair/Events/RepairInfoEvent.php
index 7acf71b2d90..5c2a53fce4f 100644
--- a/lib/private/Repair/Events/RepairInfoEvent.php
+++ b/lib/private/Repair/Events/RepairInfoEvent.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /**
  * @copyright Copyright (c) 2022 Côme Chilliet <come.chilliet@nextcloud.com>
  *
diff --git a/lib/private/Repair/Events/RepairStartEvent.php b/lib/private/Repair/Events/RepairStartEvent.php
index 115e145f69f..7bb270595c5 100644
--- a/lib/private/Repair/Events/RepairStartEvent.php
+++ b/lib/private/Repair/Events/RepairStartEvent.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /**
  * @copyright Copyright (c) 2022 Côme Chilliet <come.chilliet@nextcloud.com>
  *
diff --git a/lib/private/Repair/Events/RepairStepEvent.php b/lib/private/Repair/Events/RepairStepEvent.php
index 03f0c492920..82af670b950 100644
--- a/lib/private/Repair/Events/RepairStepEvent.php
+++ b/lib/private/Repair/Events/RepairStepEvent.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /**
  * @copyright Copyright (c) 2022 Côme Chilliet <come.chilliet@nextcloud.com>
  *
diff --git a/lib/private/Repair/Events/RepairWarningEvent.php b/lib/private/Repair/Events/RepairWarningEvent.php
index f42478873d2..2aaa44d4719 100644
--- a/lib/private/Repair/Events/RepairWarningEvent.php
+++ b/lib/private/Repair/Events/RepairWarningEvent.php
@@ -1,4 +1,7 @@
 <?php
+
+declare(strict_types=1);
+
 /**
  * @copyright Copyright (c) 2022 Côme Chilliet <come.chilliet@nextcloud.com>
  *