diff --git a/lib/private/Installer.php b/lib/private/Installer.php
index 35f51b19b0..87cb262c96 100644
--- a/lib/private/Installer.php
+++ b/lib/private/Installer.php
@@ -139,6 +139,9 @@ class Installer {
 			} else {
 				OC_DB::updateDbFromStructure($basedir.'/appinfo/database.xml');
 			}
+		} else {
+			$ms = new \OC\DB\MigrationService($info['id'], \OC::$server->getDatabaseConnection());
+			$ms->migrate();
 		}
 
 		\OC_App::registerAutoloading($appId, $basedir);
@@ -540,6 +543,9 @@ class Installer {
 					0, $e
 				);
 			}
+		} else {
+			$ms = new \OC\DB\MigrationService($app, \OC::$server->getDatabaseConnection());
+			$ms->migrate();
 		}
 
 		//run appinfo/install.php
diff --git a/lib/private/legacy/app.php b/lib/private/legacy/app.php
index 631738c726..3ca05d85c2 100644
--- a/lib/private/legacy/app.php
+++ b/lib/private/legacy/app.php
@@ -1045,11 +1045,11 @@ class OC_App {
 		$appData = self::getAppInfo($appId);
 		self::executeRepairSteps($appId, $appData['repair-steps']['pre-migration']);
 
-		if (isset($appData['use-migrations']) && $appData['use-migrations'] === 'true') {
+		if (file_exists($appPath . '/appinfo/database.xml')) {
+			OC_DB::updateDbFromStructure($appPath . '/appinfo/database.xml');
+		} else {
 			$ms = new MigrationService($appId, \OC::$server->getDatabaseConnection());
 			$ms->migrate();
-		} else if (file_exists($appPath . '/appinfo/database.xml')) {
-			OC_DB::updateDbFromStructure($appPath . '/appinfo/database.xml');
 		}
 
 		self::executeRepairSteps($appId, $appData['repair-steps']['post-migration']);