diff --git a/lib/Migrator/FilesMigrator.php b/lib/Migrator/FilesMigrator.php
index 8ddb86ea..0973ce57 100644
--- a/lib/Migrator/FilesMigrator.php
+++ b/lib/Migrator/FilesMigrator.php
@@ -187,8 +187,8 @@ public function import(
 		IImportSource $importSource,
 		OutputInterface $output
 	): void {
-		if ($importSource->getMigratorVersion(static::class) === null) {
-			$output->writeln("No version for ".static::class.", skipping import…");
+		if ($importSource->getMigratorVersion($this->getId()) === null) {
+			$output->writeln("No version for ".$this->getId().", skipping import…");
 			return;
 		}
 		$output->writeln("Importing files…");
diff --git a/lib/Service/UserMigrationService.php b/lib/Service/UserMigrationService.php
index 9f5a859a..0f2a97d8 100644
--- a/lib/Service/UserMigrationService.php
+++ b/lib/Service/UserMigrationService.php
@@ -115,13 +115,13 @@ public function export(IUser $user, ?OutputInterface $output = null): string {
 
 		// Run exports of registered migrators
 		$migratorVersions = [
-			static::class => $this->getVersion(),
+			$this->getId() => $this->getVersion(),
 		];
 		foreach ($context->getUserMigrators() as $migratorRegistration) {
 			/** @var IMigrator $migrator */
 			$migrator = $this->container->get($migratorRegistration->getService());
 			$migrator->export($user, $exportDestination, $output);
-			$migratorVersions[get_class($migrator)] = $migrator->getVersion();
+			$migratorVersions[$migrator->getId()] = $migrator->getVersion();
 		}
 		if ($exportDestination->setMigratorVersions($migratorVersions) === false) {
 			throw new UserMigrationException("Could not export user information.");
@@ -147,7 +147,7 @@ public function import(string $path, ?IUser $user = null, ?OutputInterface $outp
 			$migratorVersions = $importSource->getMigratorVersions();
 
 			if (!$this->canImport($importSource)) {
-				throw new UserMigrationException("Version ${$migratorVersions[static::class]} for main class ".static::class." is not compatible");
+				throw new UserMigrationException("Version ${$migratorVersions[$this->getId()]} for main class ".static::class." is not compatible");
 			}
 
 			// Check versions
@@ -155,7 +155,7 @@ public function import(string $path, ?IUser $user = null, ?OutputInterface $outp
 				/** @var IMigrator $migrator */
 				$migrator = $this->container->get($migratorRegistration->getService());
 				if (!$migrator->canImport($importSource)) {
-					throw new UserMigrationException("Version ".($importSource->getMigratorVersion(get_class($migrator)) ?? 'null')." for migrator ".get_class($migrator)." is not supported");
+					throw new UserMigrationException("Version ".($importSource->getMigratorVersion($migrator->getId()) ?? 'null')." for migrator ".get_class($migrator)." is not supported");
 				}
 			}
 
@@ -272,4 +272,12 @@ protected function importAppsSettings(IUser $user,
 			}
 		}
 	}
+
+
+	/**
+	 * Returns the unique ID
+	 */
+	public function getId(): string {
+		return 'usermigrationservice';
+	}
 }