diff --git a/lib/Db/CodeMapper.php b/lib/Db/CodeMapper.php
index 67ce233f..5379bba0 100644
--- a/lib/Db/CodeMapper.php
+++ b/lib/Db/CodeMapper.php
@@ -28,7 +28,7 @@ public function entryExists(IUser $user): bool {
 				'user_id',
 				$qb->createNamedParameter($user->getUID())
 			));
-		$res = $select->execute();
+		$res = $select->executeQuery();
 		$data = $res->fetchColumn(0);
 		$res->closeCursor();
 
@@ -63,7 +63,7 @@ public function deleteAll(IUser $user) {
 				'user_id',
 				$qb->createNamedParameter($user->getUID())
 			));
-		$delete->execute();
+		$delete->executeStatement();
 	}
 
 }
diff --git a/lib/Migration/Version2Date20180926053333.php b/lib/Migration/Version2Date20180926053333.php
index 6eba22bf..f099b5e6 100644
--- a/lib/Migration/Version2Date20180926053333.php
+++ b/lib/Migration/Version2Date20180926053333.php
@@ -59,7 +59,7 @@ private function fillExpireDates(IQueryBuilder $qb, int $expires) {
 		$updateQuery = $qb->update('twofactor_admin_codes')
 			->set('expires', $qb->createNamedParameter($expires))
 			->where($qb->expr()->isNull('expires'));
-		$updateQuery->execute();
+		$updateQuery->executeStatement();
 	}
 
 }
diff --git a/lib/Migration/Version3Date20200821134736.php b/lib/Migration/Version3Date20200821134736.php
index 75dfc7dc..a407565b 100644
--- a/lib/Migration/Version3Date20200821134736.php
+++ b/lib/Migration/Version3Date20200821134736.php
@@ -83,7 +83,7 @@ public function postSchemaChange(IOutput $output, Closure $schemaClosure, array
 				'expires' => $insert->createParameter('expires'),
 			]);
 
-		$result = $select->execute();
+		$result = $select->executeQuery();
 		while (($row = $result->fetch()) !== false) {
 			if (!isset($row['user_id'], $row['code'])) {
 				continue;
@@ -93,7 +93,7 @@ public function postSchemaChange(IOutput $output, Closure $schemaClosure, array
 			$insert->setParameter('code', $row['code'], IQueryBuilder::PARAM_STR);
 			$insert->setParameter('expires', (int)($row['expires'] ?? 0), IQueryBuilder::PARAM_INT);
 
-			$insert->execute();
+			$insert->executeStatement();
 		}
 
 		$result->closeCursor();