diff --git a/src/site-type/HTML.php b/src/site-type/HTML.php
index 63465c39..c36dfc8e 100644
--- a/src/site-type/HTML.php
+++ b/src/site-type/HTML.php
@@ -454,6 +454,6 @@ protected function rollback() {
 		}
 
 		\EE::success( 'Rollback complete. Exiting now.' );
-		exit;
+		exit( 1 );
 	}
 }