From 5b2f394e3eec710b8d0997178fcfeb914f4d3e0f Mon Sep 17 00:00:00 2001
From: Philipp Holzer <admin@philipp.info>
Date: Sat, 23 Feb 2019 10:16:07 +0100
Subject: [PATCH] Fixing #issuecomment-456403983

---
 src/Core/Update.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Core/Update.php b/src/Core/Update.php
index 5df0675cda..ed6c058726 100644
--- a/src/Core/Update.php
+++ b/src/Core/Update.php
@@ -94,7 +94,7 @@ class Update
 
 					// update the structure in one call
 					$retval = DBStructure::update($basePath, $verbose, true);
-					if ($retval) {
+					if (!empty($retval)) {
 						if ($sendMail) {
 							self::updateFailed(
 								DB_UPDATE_VERSION,