diff --git a/lib/private/Installer.php b/lib/private/Installer.php
index b6586eceab..d58ccb3694 100644
--- a/lib/private/Installer.php
+++ b/lib/private/Installer.php
@@ -389,7 +389,7 @@ class Installer {
 			if($app['id'] === $appId) {
 				$currentVersion = OC_App::getAppVersion($appId);
 				$newestVersion = $app['releases'][0]['version'];
-				if (version_compare($newestVersion, $currentVersion, '>')) {
+				if ($currentVersion !== '0' && version_compare($newestVersion, $currentVersion, '>')) {
 					return $newestVersion;
 				} else {
 					return false;
diff --git a/settings/Controller/AppSettingsController.php b/settings/Controller/AppSettingsController.php
index 5930bc700d..61db1ce269 100644
--- a/settings/Controller/AppSettingsController.php
+++ b/settings/Controller/AppSettingsController.php
@@ -214,7 +214,7 @@ class AppSettingsController extends Controller {
 			if (!array_key_exists($app['id'], $this->allApps)) {
 				$this->allApps[$app['id']] = $app;
 			} else {
-				$this->allApps[$app['id']] = array_merge($this->allApps[$app['id']], $app);
+				$this->allApps[$app['id']] = array_merge($app, $this->allApps[$app['id']]);
 			}
 		}
 
@@ -256,7 +256,7 @@ class AppSettingsController extends Controller {
 			$appData['category'] = $appstoreData['categories'];
 
 			$newVersion = $this->installer->isUpdateAvailable($appData['id']);
-			if($newVersion && $this->appManager->isInstalled($appData['id'])) {
+			if($newVersion) {
 				$appData['update'] = $newVersion;
 			}