diff --git a/core/Command/Maintenance/UpdateHtaccess.php b/core/Command/Maintenance/UpdateHtaccess.php
index 67c6db22b21..9243567afb4 100644
--- a/core/Command/Maintenance/UpdateHtaccess.php
+++ b/core/Command/Maintenance/UpdateHtaccess.php
@@ -39,7 +39,7 @@ class UpdateHtaccess extends Command {
 			$output->writeln('.htaccess has been updated');
 			return 0;
 		} else {
-			$output->writeln('<error>Error updating .htaccess file, not enough permissions or "overwrite.cli.url" set to an invalid URL?</error>');
+			$output->writeln('<error>Error updating .htaccess file, not enough permissions, not enough free space or "overwrite.cli.url" set to an invalid URL?</error>');
 			return 1;
 		}
 	}