diff --git a/composer/composer/autoload_classmap.php b/composer/composer/autoload_classmap.php
index b8bd7aa4bc..0e047b71eb 100644
--- a/composer/composer/autoload_classmap.php
+++ b/composer/composer/autoload_classmap.php
@@ -14,6 +14,7 @@
     'OCA\\Richdocuments\\Capabilities' => $baseDir . '/../lib/Capabilities.php',
     'OCA\\Richdocuments\\Command\\ActivateConfig' => $baseDir . '/../lib/Command/ActivateConfig.php',
     'OCA\\Richdocuments\\Command\\ConvertToBigInt' => $baseDir . '/../lib/Command/ConvertToBigInt.php',
+    'OCA\\Richdocuments\\Command\\InstallDefaultFonts' => $baseDir . '/../lib/Command/InstallDefaultFonts.php',
     'OCA\\Richdocuments\\Command\\UpdateEmptyTemplates' => $baseDir . '/../lib/Command/UpdateEmptyTemplates.php',
     'OCA\\Richdocuments\\Controller\\AssetsController' => $baseDir . '/../lib/Controller/AssetsController.php',
     'OCA\\Richdocuments\\Controller\\DirectViewController' => $baseDir . '/../lib/Controller/DirectViewController.php',
@@ -45,6 +46,7 @@
     'OCA\\Richdocuments\\Listener\\ReferenceListener' => $baseDir . '/../lib/Listener/ReferenceListener.php',
     'OCA\\Richdocuments\\Listener\\ShareLinkListener' => $baseDir . '/../lib/Listener/ShareLinkListener.php',
     'OCA\\Richdocuments\\Middleware\\WOPIMiddleware' => $baseDir . '/../lib/Middleware/WOPIMiddleware.php',
+    'OCA\\Richdocuments\\Migration\\InstallDefaultFonts' => $baseDir . '/../lib/Migration/InstallDefaultFonts.php',
     'OCA\\Richdocuments\\Migration\\Version2060Date20200302131958' => $baseDir . '/../lib/Migration/Version2060Date20200302131958.php',
     'OCA\\Richdocuments\\Migration\\Version2060Date20200302132145' => $baseDir . '/../lib/Migration/Version2060Date20200302132145.php',
     'OCA\\Richdocuments\\Migration\\Version30704Date20200626072306' => $baseDir . '/../lib/Migration/Version30704Date20200626072306.php',
diff --git a/composer/composer/autoload_static.php b/composer/composer/autoload_static.php
index aea309c791..311c882df0 100644
--- a/composer/composer/autoload_static.php
+++ b/composer/composer/autoload_static.php
@@ -29,6 +29,7 @@ class ComposerStaticInitRichdocuments
         'OCA\\Richdocuments\\Capabilities' => __DIR__ . '/..' . '/../lib/Capabilities.php',
         'OCA\\Richdocuments\\Command\\ActivateConfig' => __DIR__ . '/..' . '/../lib/Command/ActivateConfig.php',
         'OCA\\Richdocuments\\Command\\ConvertToBigInt' => __DIR__ . '/..' . '/../lib/Command/ConvertToBigInt.php',
+        'OCA\\Richdocuments\\Command\\InstallDefaultFonts' => __DIR__ . '/..' . '/../lib/Command/InstallDefaultFonts.php',
         'OCA\\Richdocuments\\Command\\UpdateEmptyTemplates' => __DIR__ . '/..' . '/../lib/Command/UpdateEmptyTemplates.php',
         'OCA\\Richdocuments\\Controller\\AssetsController' => __DIR__ . '/..' . '/../lib/Controller/AssetsController.php',
         'OCA\\Richdocuments\\Controller\\DirectViewController' => __DIR__ . '/..' . '/../lib/Controller/DirectViewController.php',
@@ -60,6 +61,7 @@ class ComposerStaticInitRichdocuments
         'OCA\\Richdocuments\\Listener\\ReferenceListener' => __DIR__ . '/..' . '/../lib/Listener/ReferenceListener.php',
         'OCA\\Richdocuments\\Listener\\ShareLinkListener' => __DIR__ . '/..' . '/../lib/Listener/ShareLinkListener.php',
         'OCA\\Richdocuments\\Middleware\\WOPIMiddleware' => __DIR__ . '/..' . '/../lib/Middleware/WOPIMiddleware.php',
+        'OCA\\Richdocuments\\Migration\\InstallDefaultFonts' => __DIR__ . '/..' . '/../lib/Migration/InstallDefaultFonts.php',
         'OCA\\Richdocuments\\Migration\\Version2060Date20200302131958' => __DIR__ . '/..' . '/../lib/Migration/Version2060Date20200302131958.php',
         'OCA\\Richdocuments\\Migration\\Version2060Date20200302132145' => __DIR__ . '/..' . '/../lib/Migration/Version2060Date20200302132145.php',
         'OCA\\Richdocuments\\Migration\\Version30704Date20200626072306' => __DIR__ . '/..' . '/../lib/Migration/Version30704Date20200626072306.php',
diff --git a/lib/Migration/InstallDefaultFonts.php b/lib/Migration/InstallDefaultFonts.php
index 58a69a1374..573051d8d8 100644
--- a/lib/Migration/InstallDefaultFonts.php
+++ b/lib/Migration/InstallDefaultFonts.php
@@ -18,7 +18,7 @@ public function getName(): string {
 	public function run(IOutput $output): void {
 		$appVersion = $this->config->getAppValue('richdocuments', 'installed_version');
 
-		if (version_compare($appVersion, '8.2.2') < 1) {
+		if (!empty($appVersion) && version_compare($appVersion, '8.2.2') < 1) {
 			return;
 		}