diff --git a/src/App/Mode.php b/src/App/Mode.php
index 070d67ee4f..ebf9f46163 100644
--- a/src/App/Mode.php
+++ b/src/App/Mode.php
@@ -210,7 +210,7 @@ class Mode
 	public function isInstall(): bool
 	{
 		return !$this->has(Mode::LOCALCONFIGPRESENT) ||
-		       !$this->has(MODE::DBAVAILABLE);
+		       !$this->has(Mode::DBAVAILABLE);
 	}
 
 	/**