diff --git a/lib/Migration/Version000400Date20230406000000.php b/lib/Migration/Version000400Date20230406000000.php
index c8ca44756b..effa746575 100644
--- a/lib/Migration/Version000400Date20230406000000.php
+++ b/lib/Migration/Version000400Date20230406000000.php
@@ -37,14 +37,17 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 
 			$column = $table->getColumn('selection_options');
 			$column->setLength(65535);
+			/** @psalm-suppress InvalidArgument Change to ColumnType enum when the app supports NC >= 35 */
 			$column->setType(Type::getType('text'));
 
 			$column = $table->getColumn('selection_default');
 			$column->setLength(65535);
+			/** @psalm-suppress InvalidArgument Change to ColumnType enum when the app supports NC >= 35 */
 			$column->setType(Type::getType('text'));
 
 			$column = $table->getColumn('text_default');
 			$column->setLength(65535);
+			/** @psalm-suppress InvalidArgument Change to ColumnType enum when the app supports NC >= 35 */
 			$column->setType(Type::getType('text'));
 		}
 
diff --git a/lib/Migration/Version000800Date20240213123743.php b/lib/Migration/Version000800Date20240213123743.php
index d265cc873b..b76b7fef04 100644
--- a/lib/Migration/Version000800Date20240213123743.php
+++ b/lib/Migration/Version000800Date20240213123743.php
@@ -13,6 +13,7 @@
 use Doctrine\DBAL\Schema\SchemaException;
 use Doctrine\DBAL\Schema\Table;
 use OCP\DB\ISchemaWrapper;
+use OCP\DB\Schema\ITable;
 use OCP\DB\Types;
 use OCP\Migration\IOutput;
 use OCP\Migration\SimpleMigrationStep;
@@ -39,7 +40,7 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 		return $schema;
 	}
 
-	protected function shouldAddTable(string $tableName, ISchemaWrapper $schema): ?Table {
+	protected function shouldAddTable(string $tableName, ISchemaWrapper $schema): Table|ITable|null {
 		return !$schema->hasTable($tableName) ? $schema->createTable($tableName) : null;
 	}
 
diff --git a/psalm.xml b/psalm.xml
index c5e79501f8..69eb8bb116 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -45,6 +45,7 @@
 				<referencedClass name="Doctrine\DBAL\Schema\Table" />
 				<referencedClass name="Doctrine\DBAL\Types\Types" />
 				<referencedClass name="OC\Core\Command\Base" />
+				<referencedClass name="OCP\DB\Schema\ITable" />
 			</errorLevel>
 		</UndefinedClass>
 		<UndefinedDocblockClass>