diff --git a/apps/dav/appinfo/install.php b/apps/dav/appinfo/install.php
index a7a3220b90f..dc5ae39226e 100644
--- a/apps/dav/appinfo/install.php
+++ b/apps/dav/appinfo/install.php
@@ -25,3 +25,4 @@ $app = new Application();
 $app->setupCron();
 $app->migrateAddressbooks();
 $app->migrateCalendars();
+$app->generateBirthdays();